# #63181d

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

## Values

- Hex: `#63181d`
- RGB: rgb(99, 24, 29)
- HSL: hsl(356, 61%, 24%)
- OKLCH: oklch(0.337 0.107 21.5)
- Relative luminance: 0.0339
- Nearest named color: Cherry Picking (#620b15, Δ 1.912) — https://brandsweets.com/colors/cherry-picking
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/63181d

## Tints & shades

- Tints (toward white): #7f1f25, #a0272f, #bd2e37, #d1424c, #d85f67, #df7c82, #e79ca1, #eeb9bd, #f6dadc, #fdf7f7
- Shades (toward black): #5a161a, #521418, #4a1216, #421013, #390e11, #310c0e, #290a0c, #21080a, #190607, #100405

## Harmonies

- Complementary: #18635e
- Analogous: #631842, #633818
- Triadic: #1d6318, #181d63
- Split-complementary: #186338, #184263
- Tetradic: #426318, #18635e, #381863

## Colors that go with #63181d

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

- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #63181d 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), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #63181d, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #63181d: 5 real palettes, including Bramble and Chipotle's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bakery (https://brandsweets.com/palettes/warm#bakery), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #63181d in 4 real palettes, including M&M's's brand system and Burger King's brand system, as the supporting colour. Seen in: M&M's (https://brandsweets.com/colors/brands/mms-com), Burger King (https://brandsweets.com/colors/brands/bk-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #63181d: 4 real palettes, including Macaron and Nursery, as the supporting colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Stone (https://brandsweets.com/palettes/neutral#stone), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/powderblue
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #63181d: 5 real palettes, including Domino's's brand system and Bakery, as the accent. Seen in: Domino's (https://brandsweets.com/colors/brands/dominos-com), Bakery (https://brandsweets.com/palettes/warm#bakery), Homestead (https://brandsweets.com/palettes/warm#homestead), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/saddlebrown
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #63181d: 8 real palettes, including Resort and Polaroid, as the supporting colour. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Polaroid (https://brandsweets.com/palettes/light#polaroid), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/sage-green
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #63181d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Squarespace (https://brandsweets.com/colors/brands/squarespace-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 12.51:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.68:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d1424c (4.59:1); AA: background → #9c9c9c (4.56:1); AAA: text → #de787e (7.09:1); AAA: background → #c2c2c2 (7.02:1)

## 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/63181d-c49e9c-62cb91-2d241f-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: "#63181d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.