# #51311f

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

## Values

- Hex: `#51311f`
- RGB: rgb(81, 49, 31)
- HSL: hsl(22, 45%, 22%)
- OKLCH: oklch(0.348 0.055 49.6)
- Relative luminance: 0.0404
- Nearest named color: Bitter Chocolate (#4f2923, Δ 2.685) — https://brandsweets.com/colors/bitter-chocolate
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/51311f

## Tints & shades

- Tints (toward white): #6f432a, #895334, #a6653f, #bc764e, #c78d6b, #d2a489, #dcb8a3, #e7cec0, #f1e2da, #fcf9f8
- Shades (toward black): #4a2d1c, #432819, #3f2618, #372215, #301d12, #29190f, #21140d, #1e120b, #160d08, #0f0906

## Harmonies

- Complementary: #1f3f51
- Analogous: #511f26, #514b1f
- Triadic: #1f5131, #311f51
- Split-complementary: #1f514b, #1f2651
- Tetradic: #26511f, #1f3f51, #4b1f51

## Colors that go with #51311f

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

- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #51311f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #51311f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Saffron (https://brandsweets.com/palettes/warm#saffron), N26 (https://brandsweets.com/colors/brands/n26-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #51311f in 5 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Maple (https://brandsweets.com/palettes/warm#maple), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Dunkin''s brand system and Minecraft's brand system put Blue beside #51311f, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Nursery and Garden Wedding put Blush Pink beside #51311f, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #51311f in 5 real palettes, including Polaroid and Velvet, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), 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
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #51311f: 6 real palettes, including Clean Beauty and Paper & Pine, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Coastal (https://brandsweets.com/palettes/cool#coastal), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/cadetblue
- **Cream** #fffdd0 [role] — Cream is the surface #51311f wants: a warm off-white that shares its undertone, so #51311f reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 11.61:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a6653f (4.55:1); AA: background → #a3a3a3 (4.6:1); AAA: text → #c58a67 (7.21:1); AAA: background → #c9c9c9 (7.01:1)

## 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/51311f-c4af9c-62cbbf-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: "#51311f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.