# #100f2a

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

## Values

- Hex: `#100f2a`
- RGB: rgb(16, 15, 42)
- HSL: hsl(242, 47%, 11%)
- OKLCH: oklch(0.188 0.053 281.6)
- Relative luminance: 0.0062
- Nearest named color: Corbeau (#111122, Δ 1.901) — https://brandsweets.com/colors/corbeau
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/100f2a

## Tints & shades

- Tints (toward white): #1d1b4b, #282669, #35328b, #423eac, #5a56c2, #7774cd, #9896d9, #b9b8e5, #d7d6f0, #f8f8fc
- Shades (toward black): #0e0e25, #0e0e25, #0d0c22, #0b0b1e, #0b0b1e, #0a091a, #090816, #070713, #070713, #06050f

## Harmonies

- Complementary: #28290f
- Analogous: #0f1b29, #1d0f29
- Triadic: #29100f, #0f2910
- Split-complementary: #291d0f, #1b290f
- Tetradic: #290f1b, #28290f, #0f291d

## Colors that go with #100f2a

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 for #100f2a: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: complementary] — Dark Olive Green sits directly opposite #100f2a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Cohere (https://brandsweets.com/colors/brands/cohere-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Miro (https://brandsweets.com/colors/brands/miro-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #100f2a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Oatly (https://brandsweets.com/colors/brands/oatly-com), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #100f2a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #100f2a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #100f2a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #100f2a in 18 real palettes, including Southwest Airlines's brand system and Blueprint, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 21 real palettes, including League of Legends's brand system and Monzo's brand system put Blue beside #100f2a, as the supporting colour. Seen in: League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Kia (https://brandsweets.com/colors/brands/kia-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 18.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.12:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6c69c9 (4.5:1); AA: background → #7d7d7d (4.54:1); AAA: text → #918fd6 (7.1:1); AAA: background → #a1a1a1 (7.23:1)

## Brands using this color

- **Sentry** — text #150f23 (Δ 1.748) — https://brandsweets.com/colors/brands/sentry-io
- **Cohere** — secondary #14142a (Δ 1.936) — https://brandsweets.com/colors/brands/cohere-com
- **Southwest Airlines** — primary #090f23 (Δ 1.948) — https://brandsweets.com/colors/brands/southwest-com
- **Southwest Airlines** — text #090f23 (Δ 1.948) — https://brandsweets.com/colors/brands/southwest-com
- **League of Legends** — primary #0a1428 (Δ 1.963) — https://brandsweets.com/colors/brands/leagueoflegends-com
- **League of Legends** — text #0a1428 (Δ 1.963) — https://brandsweets.com/colors/brands/leagueoflegends-com

## 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/100f2a-a29cc4-df9e4e-261f2d-e9edf1?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: "#100f2a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.