# #5a1811

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

## Values

- Hex: `#5a1811`
- RGB: rgb(90, 24, 17)
- HSL: hsl(6, 68%, 21%)
- OKLCH: oklch(0.317 0.098 29.6)
- Relative luminance: 0.0287
- Nearest named color: Blood of Zeus (#640f09, Δ 2.289) — https://brandsweets.com/colors/blood-of-zeus
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/5a1811

## Tints & shades

- Tints (toward white): #7c2218, #9a2a1d, #bc3324, #d84231, #de6254, #e47d72, #eb9d94, #f1bcb6, #f7d8d4, #fdf7f6
- Shades (toward black): #511610, #4d150f, #45130d, #3c100b, #380f0b, #2f0d09, #270a07, #1e0806, #1a0705, #110503

## Harmonies

- Complementary: #11535a
- Analogous: #5a112e, #5a3d11
- Triadic: #115a18, #18115a
- Split-complementary: #115a3d, #112e5a
- Tetradic: #2e5a11, #11535a, #3d115a

## Colors that go with #5a1811

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #5a1811 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Loom (https://brandsweets.com/colors/brands/loom-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #5a1811's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Harvest (https://brandsweets.com/palettes/warm#harvest), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #5a1811 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] — 6 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #5a1811, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Blush and Garden Wedding put Blush Pink beside #5a1811, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/blush-pink
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Bramble and Darkroom put Champagne beside #5a1811, as the text colour against it. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #5a1811: 9 real palettes, including Chipotle's brand system and Bakery, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bakery (https://brandsweets.com/palettes/warm#bakery), Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #5a1811: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 13.35:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.57:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d73e2d (4.62:1); AA: background → #969696 (4.51:1); AAA: text → #e3796d (7.22:1); AAA: background → #bdbdbd (7.1:1)

## 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/5a1811-c4a59c-62cba3-2d271f-f1e9ec?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: "#5a1811" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.