# #591b17

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

## Values

- Hex: `#591b17`
- RGB: rgb(89, 27, 23)
- HSL: hsl(4, 59%, 22%)
- OKLCH: oklch(0.321 0.092 27.2)
- Relative luminance: 0.0297
- Nearest named color: Blood of Zeus (#640f09, Δ 2.758) — https://brandsweets.com/colors/blood-of-zeus
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/591b17

## Tints & shades

- Tints (toward white): #7a251f, #962e27, #b6382f, #cd463c, #d5655d, #de847d, #e59f9a, #edbdba, #f5d8d6, #fdf7f7
- Shades (toward black): #511915, #491613, #451512, #3d1310, #35100e, #2d0e0c, #240b09, #200a08, #180706, #100504

## Harmonies

- Complementary: #175559
- Analogous: #591734, #593d17
- Triadic: #17591b, #1b1759
- Split-complementary: #17593d, #173459
- Tetradic: #345917, #175559, #3d1759

## Colors that go with #591b17

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 #591b17 — 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), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Loom (https://brandsweets.com/colors/brands/loom-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #591b17'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 #591b17 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] — 7 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #591b17, 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] — 5 real palettes, including Blush and Garden Wedding put Blush Pink beside #591b17, 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
- **Burlywood** #deb887 [pool] — Burlywood is paired with #591b17 in 4 real palettes, including Velvet and Polaroid, as the accent. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), Polaroid (https://brandsweets.com/palettes/light#polaroid), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Bramble and Darkroom put Champagne beside #591b17, 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), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/champagne
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #591b17: 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), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 13.18:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.59:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #cd463c (4.54:1); AA: background → #999999 (4.62:1); AAA: text → #db7c75 (7.15:1); AAA: background → #bdbdbd (7.01:1)

## 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/591b17-c4a39c-62cb9f-2d261f-f1e9ed?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: "#591b17" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.