# #101523

A color — cool, dark, luxury, bold, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#101523`
- RGB: rgb(16, 21, 35)
- HSL: hsl(224, 37%, 10%)
- OKLCH: oklch(0.198 0.029 268.6)
- Relative luminance: 0.0077
- Nearest named color: Corbeau (#111122, Δ 1.411) — https://brandsweets.com/colors/corbeau
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/101523

## Tints & shades

- Tints (toward white): #1f2842, #2d3b62, #3a4c7e, #485f9d, #5e75b5, #7e90c4, #9dabd2, #b9c3df, #d9deed, #f8f9fc
- Shades (toward black): #0e131f, #0e131f, #0d111c, #0d111c, #0b0f18, #0a0d15, #0a0d15, #080b11, #080b11, #06080e

## Harmonies

- Complementary: #231e10
- Analogous: #101f23, #141023
- Triadic: #231015, #152310
- Split-complementary: #231410, #1f2310
- Tetradic: #23101f, #231e10, #102314

## Colors that go with #101523

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black that reads cleanly against #101523 without the hard edge of pure #000. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Asana (https://brandsweets.com/colors/brands/asana-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #101523 in 18 real palettes, including Blueprint and Lemon Squeezy's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Monzo's brand system and League of Legends's brand system put Blue beside #101523, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #101523 in 10 real palettes, including Yahoo's brand system and Prepare your taste buds...'s brand system, as the supporting colour. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Estate and Cartier's brand system put Blush Pink beside #101523, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Cartier (https://brandsweets.com/colors/brands/cartier-com), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including State Farm's brand system and Garnet put Brown beside #101523, as the supporting colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Garnet (https://brandsweets.com/palettes/warm#garnet), Velvet (https://brandsweets.com/palettes/luxury#velvet), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/brown
- **Burgundy** #800020 [pool] — 4 real palettes, including Qatar Airways's brand system and Mailchimp's brand system put Burgundy beside #101523, as the accent. Seen in: Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com), Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Rare Beauty (https://brandsweets.com/colors/brands/rarebeauty-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/burgundy
- **Burlywood** #deb887 [pool] — Burlywood is paired with #101523 in 6 real palettes, including Coffee Bar and Velvet, as the accent. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Velvet (https://brandsweets.com/palettes/luxury#velvet), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 18.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5b72b3 (4.5:1); AA: background → #808080 (4.61:1); AAA: text → #8596c7 (7.18:1); AAA: background → #a1a1a1 (7.05:1)

## Brands using this color

- **Monzo** — text #091723 (Δ 1.201) — https://brandsweets.com/colors/brands/monzo-com
- **Affirm** — text #101820 (Δ 1.43) — https://brandsweets.com/colors/brands/affirm-com
- **Chase** — text #101820 (Δ 1.43) — https://brandsweets.com/colors/brands/chase-com
- **League of Legends** — primary #0a1428 (Δ 1.488) — https://brandsweets.com/colors/brands/leagueoflegends-com
- **League of Legends** — text #0a1428 (Δ 1.488) — https://brandsweets.com/colors/brands/leagueoflegends-com
- **MongoDB** — text #061621 (Δ 1.622) — https://brandsweets.com/colors/brands/mongodb-com
- **Cohere** — secondary #14142a (Δ 1.723) — https://brandsweets.com/colors/brands/cohere-com
- **Railway** — text #13111c (Δ 1.778) — https://brandsweets.com/colors/brands/railway-app
- **Warp** — text #1a1522 (Δ 1.901) — https://brandsweets.com/colors/brands/warp-dev
- **Qatar Airways** — secondary #181825 (Δ 1.93) — https://brandsweets.com/colors/brands/qatarairways-com

## Curated palettes containing it

- **Blueprint** (technical, cool, modern, dark) — #38bdf8, #818cf8, #fbbf24, #0f172a, #e2e8f0 — Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'. — tool: https://brandsweets.com/palettes/new/38bdf8-818cf8-fbbf24-0f172a-e2e8f0 — collection: https://brandsweets.com/palettes/technical
- **Indigo SaaS** (modern, cool, clean) — #4f46e5, #6b7280, #10b981, #ffffff, #111827 — The dependable indigo-and-emerald B2B pairing: indigo for primary actions, emerald reserved for success states. — tool: https://brandsweets.com/palettes/new/4f46e5-6b7280-10b981-ffffff-111827 — collection: https://brandsweets.com/palettes/modern
- **Slate Workspace** (minimal, cool, clean, modern) — #0f172a, #64748b, #2563eb, #f8fafc — Slate on slate with a single blue — the productivity-app look where the interface disappears behind the work. — tool: https://brandsweets.com/palettes/new/0f172a-64748b-2563eb-f8fafc — collection: https://brandsweets.com/palettes/minimal
- **Ledger Dark** (dark, luxury, technical) — #c9a227, #7c8aa5, #34d399, #0c1222, #e8edf5 — Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy. — tool: https://brandsweets.com/palettes/new/c9a227-7c8aa5-34d399-0c1222-e8edf5 — collection: https://brandsweets.com/palettes/dark
- **Clinic** (clean, cool, light) — #0e7490, #64748b, #f97316, #f8fafc, #0f172a — Teal reads clinical without the coldness of pure blue; the coral accent adds warmth for reassurance moments. — tool: https://brandsweets.com/palettes/new/0e7490-64748b-f97316-f8fafc-0f172a — collection: https://brandsweets.com/palettes/clean
- **Cobalt Pop** (bold, cool, vivid, modern) — #1e40af, #111827, #fb7185, #ffffff — One deep cobalt and one hot pink on white — a two-accent system for launches and campaign pages that need punch. — tool: https://brandsweets.com/palettes/new/1e40af-111827-fb7185-ffffff — collection: https://brandsweets.com/palettes/bold
- **Sapphire & Gold** (jewel-tones, luxury, cool, elegant) — #1e3a8a, #c9a227, #0e7490, #f7f6f2, #111827 — Deep sapphire and gold with a teal — old-money jewel tones on an ivory ground; heraldic without a crest. — tool: https://brandsweets.com/palettes/new/1e3a8a-c9a227-0e7490-f7f6f2-111827 — collection: https://brandsweets.com/palettes/jewel-tones

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/101523-9ca2c4-df724e-221f2d-e9eff1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#101523" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.