# #101f23

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

## Values

- Hex: `#101f23`
- RGB: rgb(16, 31, 35)
- HSL: hsl(193, 37%, 10%)
- OKLCH: oklch(0.228 0.022 216.5)
- Relative luminance: 0.0121
- Nearest named color: Sunken Ship (#10252a, Δ 2.269) — https://brandsweets.com/colors/sunken-ship
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/101f23

## Tints & shades

- Tints (toward white): #1f3b42, #2d5662, #3a6f7e, #488b9d, #5ea2b5, #7eb4c4, #9dc7d2, #b9d7df, #d9e9ed, #f8fbfc
- Shades (toward black): #0e1c1f, #0e1c1f, #0d191c, #0d191c, #0b1618, #0a1315, #0a1315, #080f11, #080f11, #060c0e

## Harmonies

- Complementary: #231410
- Analogous: #10231e, #101523
- Triadic: #23101f, #1f2310
- Split-complementary: #231015, #231e10
- Tetradic: #1e1023, #231410, #152310

## Colors that go with #101f23

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 #101f23 without the hard edge of pure #000. Seen in: Audi (https://brandsweets.com/colors/brands/audi-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Asana (https://brandsweets.com/colors/brands/asana-com), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #101f23 in 18 real palettes, including Warner Bros.'s brand system and Google's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Google (https://brandsweets.com/colors/brands/google-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Signal's brand system and CVS's brand system put Blue beside #101f23, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), CVS (https://brandsweets.com/colors/brands/cvs-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #101f23 in 10 real palettes, including Yahoo's brand system and ClickUp's brand system, as the supporting colour. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Graphite Mono and Estate put Blush Pink beside #101f23, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Estate (https://brandsweets.com/palettes/luxury#estate), Cartier (https://brandsweets.com/colors/brands/cartier-com), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #101f23, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Garnet (https://brandsweets.com/palettes/warm#garnet). — 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 #101f23, as the accent. Seen in: Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com), Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Rare Beauty (https://brandsweets.com/colors/brands/rarebeauty-com). — https://brandsweets.com/colors/burgundy
- **Burlywood** #deb887 [pool] — Burlywood is paired with #101f23 in 6 real palettes, including Coffee Bar and Kiln, as the accent. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 16.9:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #427e8f (4.61:1); AA: background → #858585 (4.58:1); AAA: text → #5ba0b3 (7.12:1); AAA: background → #a8a8a8 (7.11:1)

## Brands using this color

- **Box** — text #151f26 (Δ 0.996) — https://brandsweets.com/colors/brands/box-com
- **Audi** — secondary #181d25 (Δ 1.514) — https://brandsweets.com/colors/brands/audi-com
- **Airtable** — accent #181d26 (Δ 1.622) — https://brandsweets.com/colors/brands/airtable-com
- **NFL** — accent #172029 (Δ 1.659) — https://brandsweets.com/colors/brands/nfl-com
- **Fitbit** — primary #191c1d (Δ 1.742) — https://brandsweets.com/colors/brands/fitbit-com
- **Fitbit** — text #191c1d (Δ 1.742) — https://brandsweets.com/colors/brands/fitbit-com
- **Vimeo** — text #141a20 (Δ 1.799) — https://brandsweets.com/colors/brands/vimeo-com
- **WhatsApp** — primary #1c1e21 (Δ 1.874) — https://brandsweets.com/colors/brands/whatsapp-com
- **WhatsApp** — text #1c1e21 (Δ 1.874) — https://brandsweets.com/colors/brands/whatsapp-com
- **Asana** — secondary #151b26 (Δ 1.878) — https://brandsweets.com/colors/brands/asana-com

## Curated palettes containing it

- **Fireside** (winter, dark, warm, luxury) — #b23a3a, #2f5d50, #d4a857, #171a1f, #f2ede4 — Cranberry, pine and brass on a charcoal night — the holiday palette without the clichés, because the surface is cold. — tool: https://brandsweets.com/palettes/new/b23a3a-2f5d50-d4a857-171a1f-f2ede4 — collection: https://brandsweets.com/palettes/winter

## 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/101f23-a2b5be-df4e75-1f242d-e9f1ef?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: "#101f23" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.