# #310d10

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

## Values

- Hex: `#310d10`
- RGB: rgb(49, 13, 16)
- HSL: hsl(355, 58%, 12%)
- OKLCH: oklch(0.221 0.059 18.3)
- Relative luminance: 0.0098
- Nearest named color: Black Cherry (#2c1620, Δ 3.25) — https://brandsweets.com/colors/black-cherry
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/310d10

## Tints & shades

- Tints (toward white): #55161c, #751f26, #992932, #b9313d, #cf4a55, #d86e77, #e18e95, #ebb2b7, #f3d3d5, #fdf7f7
- Shades (toward black): #2c0c0e, #280b0d, #280b0d, #240a0c, #20090b, #1c0709, #180608, #180608, #140507, #100405

## Harmonies

- Complementary: #0d302d
- Analogous: #300d22, #301c0d
- Triadic: #10300d, #0d1030
- Split-complementary: #0d301c, #0d2230
- Tetradic: #22300d, #0d302d, #1c0d30

## Colors that go with #310d10

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 #310d10: 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), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Logitech (https://brandsweets.com/colors/brands/logitech-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #310d10 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Victoria's Secret (https://brandsweets.com/colors/brands/victoriassecret-com), Box (https://brandsweets.com/colors/brands/box-com), Apple (https://brandsweets.com/colors/brands/apple-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #310d10 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Wellness (https://brandsweets.com/palettes/warm#wellness), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #310d10's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #310d10 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 #310d10 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] — 21 real palettes, including Signal's brand system and CVS's brand system put Blue beside #310d10, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), CVS (https://brandsweets.com/colors/brands/cvs-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #310d10 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

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

- On white (#ffffff): 17.56:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ce4651 (4.62:1); AA: background → #828282 (4.57:1); AAA: text → #dc7a82 (7.15:1); AAA: background → #a6a6a6 (7.21:1)

## 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/310d10-c49e9c-62cb8f-2d241f-f1e9ee?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: "#310d10" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.