# #37011b

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

## Values

- Hex: `#37011b`
- RGB: rgb(55, 1, 27)
- HSL: hsl(331, 96%, 11%)
- OKLCH: oklch(0.221 0.088 357.3)
- Relative luminance: 0.0091
- Nearest named color: Vienna Roast (#330022, Δ 1.981) — https://brandsweets.com/colors/vienna-roast
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/37011b

## Tints & shades

- Tints (toward white): #640231, #8c0345, #b9045b, #e60572, #fa1e89, #fb469e, #fc73b5, #fda0cd, #fec8e2, #fff5fa
- Shades (toward black): #320119, #320119, #2d0116, #280114, #280114, #230111, #1e010f, #19010c, #19010c, #14000a

## Harmonies

- Complementary: #01371d
- Analogous: #370136, #370201
- Triadic: #1b3701, #011b37
- Split-complementary: #013702, #013637
- Tetradic: #363701, #01371d, #020137

## Colors that go with #37011b

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 #37011b: 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), Gusto (https://brandsweets.com/colors/brands/gusto-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #37011b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Pinterest (https://brandsweets.com/colors/brands/pinterest-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #37011b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), 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). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #37011b 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 #37011b 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] — 20 real palettes, including Warp's brand system and Tim Hortons's brand system put Blue beside #37011b, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Signal (https://brandsweets.com/colors/brands/signal-org). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #37011b 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Graphite Mono and Estate put Blush Pink beside #37011b, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Estate (https://brandsweets.com/palettes/luxury#estate), Cartier (https://brandsweets.com/colors/brands/cartier-com), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 17.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.18:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e60572 (4.63:1); AA: background → #828282 (4.62:1); AAA: text → #fc5aa8 (7.17:1); AAA: background → #a3a3a3 (7.04:1)

## 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/37011b-c49cab-62cb66-2d1f20-f1e9f1?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: "#37011b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.