# #28150b

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

## Values

- Hex: `#28150b`
- RGB: rgb(40, 21, 11)
- HSL: hsl(21, 57%, 10%)
- OKLCH: oklch(0.219 0.036 47.9)
- Relative luminance: 0.0101
- Nearest named color: Burnt Coffee (#271b10, Δ 1.883) — https://brandsweets.com/colors/burnt-coffee
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/28150b

## Tints & shades

- Tints (toward white): #4c2815, #703b1f, #904c27, #b45f31, #cd7647, #d6916b, #e0ab8f, #e9c3af, #f3ded3, #fdf9f7
- Shades (toward black): #24130a, #24130a, #201109, #201109, #1c0f08, #180d07, #180d07, #140b05, #140b05, #100804

## Harmonies

- Complementary: #0b1e28
- Analogous: #280b0f, #28240b
- Triadic: #0b2815, #150b28
- Split-complementary: #0b2824, #0b0f28
- Tetradic: #0f280b, #0b1e28, #240b28

## Colors that go with #28150b

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 body-text near-black for #28150b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Logitech (https://brandsweets.com/colors/brands/logitech-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: analogous] — Rust is #28150b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Harvest (https://brandsweets.com/palettes/warm#harvest), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #28150b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Harvest (https://brandsweets.com/palettes/warm#harvest), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #28150b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: GitLab (https://brandsweets.com/colors/brands/gitlab), Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #28150b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #28150b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #28150b in 18 real palettes, including Heatwave and Maple, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including CVS's brand system and Signal's brand system put Blue beside #28150b, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Signal (https://brandsweets.com/colors/brands/signal-org), Bumble (https://brandsweets.com/colors/brands/bumble-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 17.47:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b45f31 (4.62:1); AA: background → #828282 (4.55:1); AAA: text → #d18257 (7.04:1); AAA: background → #a6a6a6 (7.17:1)

## Curated palettes containing it

- **Maple** (autumn, warm, vivid) — #c1272d, #e8730c, #f2b705, #fff8ee, #2a1a0a — The three colours a maple goes through in October, on a warm white — loud, seasonal, and readable because the type is near-black. — tool: https://brandsweets.com/palettes/new/c1272d-e8730c-f2b705-fff8ee-2a1a0a — collection: https://brandsweets.com/palettes/autumn
- **Heatwave** (summer, warm, bold, vivid) — #ff4d00, #ffb800, #0091ff, #fff9f0, #231205 — Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest. — tool: https://brandsweets.com/palettes/new/ff4d00-ffb800-0091ff-fff9f0-231205 — collection: https://brandsweets.com/palettes/summer
- **Tequila Sunrise** (sunset, vivid, bold, warm) — #e63946, #ff9f1c, #ffd60a, #fffaf3, #2a1a0e — Red through orange to yellow — the poured-drink gradient as flat tokens; use it left-to-right, never all at once. — tool: https://brandsweets.com/palettes/new/e63946-ff9f1c-ffd60a-fffaf3-2a1a0e — collection: https://brandsweets.com/palettes/sunset

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/28150b-c4af9c-62cbbd-2d2a1f-f1e9ea?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: "#28150b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
