# #0a151e

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

## Values

- Hex: `#0a151e`
- RGB: rgb(10, 21, 30)
- HSL: hsl(207, 50%, 8%)
- OKLCH: oklch(0.19 0.024 244.3)
- Relative luminance: 0.0069
- Nearest named color: Midnight Edition (#0c121b, Δ 1.142) — https://brandsweets.com/colors/midnight-edition
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/0a151e

## Tints & shades

- Tints (toward white): #162e41, #214663, #2d5e86, #3876a8, #4b8dc3, #6ea3cf, #90b9da, #b3cfe6, #d5e4f1, #f7fafc
- Shades (toward black): #0a151f, #09131b, #09131b, #081017, #081017, #081017, #060d13, #060d13, #050b0f, #050b0f

## Harmonies

- Complementary: #1f130a
- Analogous: #0a1f1e, #0a0b1f
- Triadic: #1f0a15, #151f0a
- Split-complementary: #1f0a0b, #1f1e0a
- Tetradic: #1e0a1f, #1f130a, #0b1f0a

## Colors that go with #0a151e

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 #0a151e without the hard edge of pure #000. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #0a151e in 18 real palettes, including Lemon Squeezy's brand system and Blueprint, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 22 real palettes, including MongoDB's brand system and Kia's brand system put Blue beside #0a151e, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Kia (https://brandsweets.com/colors/brands/kia-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #0a151e in 10 real palettes, including Prepare your taste buds...'s brand system and Klarna US's brand system, as the accent. Seen in: 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), Neobank (https://brandsweets.com/palettes/vivid#neobank). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Estate and Cartier's brand system put Blush Pink beside #0a151e, 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 Velvet put Brown beside #0a151e, as the supporting colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Velvet (https://brandsweets.com/palettes/luxury#velvet), Garnet (https://brandsweets.com/palettes/warm#garnet), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/brown
- **Burgundy** #800020 [pool] — 4 real palettes, including Mailchimp's brand system and Qatar Airways's brand system put Burgundy beside #0a151e, as the accent. Seen in: Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-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 #0a151e in 5 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): 18.44:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3b7bb0 (4.65:1); AA: background → #808080 (4.67:1); AAA: text → #629ccb (7.14:1); AAA: background → #a1a1a1 (7.14:1)

## Brands using this color

- **MongoDB** — text #061621 (Δ 0.773) — https://brandsweets.com/colors/brands/mongodb-com
- **Kia** — primary #05141f (Δ 0.941) — https://brandsweets.com/colors/brands/kia-com
- **Kia** — text #05141f (Δ 0.941) — https://brandsweets.com/colors/brands/kia-com
- **Monzo** — text #091723 (Δ 1.098) — https://brandsweets.com/colors/brands/monzo-com
- **Affirm** — text #101820 (Δ 1.569) — https://brandsweets.com/colors/brands/affirm-com
- **Chase** — text #101820 (Δ 1.569) — https://brandsweets.com/colors/brands/chase-com
- **Character** — primary #11181c (Δ 1.805) — https://brandsweets.com/colors/brands/character-ai
- **Character** — text #11181c (Δ 1.805) — https://brandsweets.com/colors/brands/character-ai
- **Perplexity** — text #091717 (Δ 1.872) — https://brandsweets.com/colors/brands/perplexity
- **Lemon Squeezy** — text #121217 (Δ 1.886) — https://brandsweets.com/colors/brands/lemonsqueezy-com
- **Bose** — primary #131317 (Δ 1.917) — https://brandsweets.com/colors/brands/bose-com
- **Bose** — text #131317 (Δ 1.917) — https://brandsweets.com/colors/brands/bose-com
- **Railway** — text #13111c (Δ 1.966) — https://brandsweets.com/colors/brands/railway-app

## Curated palettes containing it

- **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
- **Estate** (luxury, dark, elegant) — #b08d57, #8a97a5, #c9c9c9, #101418, #eef1f4 — Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color. — tool: https://brandsweets.com/palettes/new/b08d57-8a97a5-c9c9c9-101418-eef1f4 — collection: https://brandsweets.com/palettes/luxury

## 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/0a151e-9cadc4-df4e53-1f212d-e9f1f1?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: "#0a151e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.