# #313d1f

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

## Values

- Hex: `#313d1f`
- RGB: rgb(49, 61, 31)
- HSL: hsl(84, 33%, 18%)
- OKLCH: oklch(0.341 0.051 126.8)
- Relative luminance: 0.0409
- Nearest named color: Forestry (#2f441f, Δ 2.362) — https://brandsweets.com/colors/forestry
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/313d1f

## Tints & shades

- Tints (toward white): #47582c, #5c733a, #728e48, #88aa55, #9bb771, #aec58c, #c1d3a7, #d4e0c2, #e7eedd, #fafcf8
- Shades (toward black): #2e3a1d, #29331a, #262f18, #212915, #1e2513, #1b2211, #161b0e, #13180c, #0e1109, #0b0e07

## Harmonies

- Complementary: #2b1f3d
- Analogous: #3d3a1f, #223d1f
- Triadic: #1f313d, #3d1f31
- Split-complementary: #1f223d, #3a1f3d
- Tetradic: #1f3d3a, #2b1f3d, #3d1f22

## Colors that go with #313d1f

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

- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #313d1f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Asana (https://brandsweets.com/colors/brands/asana-com), Wellness (https://brandsweets.com/palettes/warm#wellness), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #313d1f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Slate Blue** #6a5acd [harmony, pool: complementary] — Slate Blue sits directly opposite #313d1f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab). — https://brandsweets.com/colors/slateblue
- **Amber** #ffbf00 [pool] — Amber is paired with #313d1f in 6 real palettes, including Trailhead and McDonald's's brand system, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Instacart's brand system and Dunkin''s brand system put Blue beside #313d1f, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #313d1f, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #313d1f in 4 real palettes, including Polaroid and Chalkboard, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood
- **Cream** #fffdd0 [role] — Cream is the surface #313d1f wants: a warm off-white that shares its undertone, so #313d1f reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 11.55:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.82:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #657d3f (4.56:1); AA: background → #a3a3a3 (4.58:1); AAA: text → #82a352 (7.31:1); AAA: background → #cccccc (7.19:1)

## Fonts for this mood

- 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/313d1f-afbea2-4e5adf-222d1f-f1f0e9?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: "#313d1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.