# #a21557

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

## Values

- Hex: `#a21557`
- RGB: rgb(162, 21, 87)
- HSL: hsl(332, 77%, 36%)
- OKLCH: oklch(0.47 0.178 359.8)
- Relative luminance: 0.0891
- Nearest named color: Berry (#990f4b, Δ 2.642) — https://brandsweets.com/colors/berry
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a21557

## Tints & shades

- Tints (toward white): #be1966, #d91c74, #e53486, #e84f96, #ec6aa7, #ef85b7, #f3a0c7, #f7c0d9, #fadbea, #fef6fa
- Shades (toward black): #951350, #871249, #750f3f, #680d38, #5a0c30, #4d0a29, #3f0822, #2d0618, #200411, #12020a

## Harmonies

- Complementary: #15a261
- Analogous: #a2159e, #a21a15
- Triadic: #57a215, #1557a2
- Split-complementary: #15a21a, #159ea2
- Tetradic: #9ea215, #15a261, #1a15a2

## Colors that go with #a21557

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

- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #a21557's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a21557: 6 real palettes, including Chase's brand system and Ulta Beauty's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #a21557 in 14 real palettes, including Tommy Hilfiger's brand system and Chipotle's brand system, as the lead colour. Seen in: Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony: complementary] — Teal sits directly opposite #a21557 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #a21557: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/seagreen
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a21557 in 3 real palettes, including Fireside and Candlelight, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/goldenrod
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a21557 in 3 real palettes, including Chase's brand system and Bose's brand system, as the supporting colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Bose (https://brandsweets.com/colors/brands/bose-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #a21557: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 7.55:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.78:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #dd1d77 (4.52:1); AA: background → #c9c9c9 (4.56:1); AAA: text → #ec6aa7 (7.19:1); AAA: background → #f7f7f7 (7.05:1)

## 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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a21557-c49caa-62cb67-2d1f20-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: "#a21557" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.