# #640231

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

## Values

- Hex: `#640231`
- RGB: rgb(100, 2, 49)
- HSL: hsl(331, 96%, 20%)
- OKLCH: oklch(0.327 0.13 0.7)
- Relative luminance: 0.0297
- Nearest named color: Merguez (#650021, Δ 2.66) — https://brandsweets.com/colors/merguez
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/640231

## Tints & shades

- Tints (toward white): #8c0345, #b40459, #d7046a, #fa0a7e, #fb3293, #fc5aa8, #fc82bd, #fda5d0, #fecde5, #fff5fa
- Shades (toward black): #5a022c, #55022a, #4b0225, #460123, #3c011e, #320119, #2d0116, #230111, #1e010f, #14000a

## Harmonies

- Complementary: #026435
- Analogous: #640262, #640402
- Triadic: #316402, #023164
- Split-complementary: #026404, #026264
- Tetradic: #626402, #026435, #040264

## Colors that go with #640231

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 #640231 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). — https://brandsweets.com/colors/teal
- **Crimson** #dc143c [pool] — Crimson is paired with #640231 in 5 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), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #640231: 3 real palettes, including Heinz's brand system and Hinge's brand system, as the accent. Seen in: Heinz (https://brandsweets.com/colors/brands/heinz-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Box (https://brandsweets.com/colors/brands/box-com). — https://brandsweets.com/colors/denim
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #640231 — 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). — https://brandsweets.com/colors/steelblue
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #640231: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Blue** #0000ff [pool] — Two real palettes: Tim Hortons's brand system and Dunkin''s brand system put Blue beside #640231, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #640231: 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). — https://brandsweets.com/colors/charcoal
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #640231: two real palettes: Reebok's brand system and Hershey's's brand system, as the accent. Seen in: Reebok (https://brandsweets.com/colors/brands/reebok-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 13.17:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.59:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e60572 (4.63:1); AA: background → #999999 (4.62:1); AAA: text → #fc5aa8 (7.17:1); AAA: background → #bdbdbd (7.01:1)

## Brands using this color

- **Qatar Airways** — accent #5c0931 (Δ 1.774) — https://brandsweets.com/colors/brands/qatarairways-com

## 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/640231-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: "#640231" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.