# #31020a

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

## Values

- Hex: `#31020a`
- RGB: rgb(49, 2, 10)
- HSL: hsl(350, 92%, 10%)
- OKLCH: oklch(0.203 0.076 16.3)
- Relative luminance: 0.0072
- Nearest named color: Italian Roast (#221111, Δ 4.724) — https://brandsweets.com/colors/italian-roast
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/31020a

## Tints & shades

- Tints (toward white): #5d0413, #89061c, #b00723, #dc092c, #f61e42, #f74a67, #f9768c, #fb9dad, #fdc9d2, #fff5f7
- Shades (toward black): #2c0209, #2c0209, #270208, #270208, #220107, #1d0106, #1d0106, #180105, #180105, #140104

## Harmonies

- Complementary: #023129
- Analogous: #310221, #311202
- Triadic: #0a3102, #020a31
- Split-complementary: #023112, #022131
- Tetradic: #213102, #023129, #120231

## Colors that go with #31020a

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 #31020a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Puma (https://brandsweets.com/colors/brands/puma-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #31020a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: GitHub (https://brandsweets.com/colors/brands/github), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), IBM (https://brandsweets.com/colors/brands/ibm-com). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [harmony, pool: analogous] — Rust is #31020a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Garnet (https://brandsweets.com/palettes/warm#garnet), Harvest (https://brandsweets.com/palettes/warm#harvest), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #31020a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Asana (https://brandsweets.com/colors/brands/asana-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #31020a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), 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 #31020a 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 #31020a in 17 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), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 20 real palettes, including Warp's brand system and CVS's brand system put Blue beside #31020a, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), CVS (https://brandsweets.com/colors/brands/cvs-com), Signal (https://brandsweets.com/colors/brands/signal-org), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 18.36:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #eb0a2f (4.62:1); AA: background → #808080 (4.65:1); AAA: text → #f8627b (7.02:1); AAA: background → #a1a1a1 (7.11:1)

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/31020a-c49c9e-62cb87-2d231f-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: "#31020a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.