# #a90a57

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

## Values

- Hex: `#a90a57`
- RGB: rgb(169, 10, 87)
- HSL: hsl(331, 89%, 35%)
- OKLCH: oklch(0.479 0.189 0.9)
- Relative luminance: 0.0934
- Nearest named color: Berry (#990f4b, Δ 3.726) — https://brandsweets.com/colors/berry
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a90a57

## Tints & shades

- Tints (toward white): #c60c65, #e70d77, #f22186, #f43e96, #f660a8, #f77db8, #f99ac8, #fbb7d8, #fdd8ea, #fef5fa
- Shades (toward black): #9a094f, #8c0848, #7d0740, #6f0639, #600631, #4d0428, #3f0420, #300319, #220211, #13010a

## Harmonies

- Complementary: #0aa95c
- Analogous: #a90aa6, #a90c0a
- Triadic: #57a90a, #0a57a9
- Split-complementary: #0aa90c, #0aa6a9
- Tetradic: #a6a90a, #0aa95c, #0c0aa9

## Colors that go with #a90a57

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 [pool] — Crimson is paired with #a90a57 in 6 real palettes, including Nintendo's brand system and Wendy's's brand system, as the supporting colour. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a90a57: 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), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #a90a57 in 11 real palettes, including Tommy Hilfiger's brand system and AT&T's brand system, as the lead colour. Seen in: Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), AT&T (https://brandsweets.com/colors/brands/att-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Chipotle (https://brandsweets.com/colors/brands/chipotle-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony: complementary] — Teal sits directly opposite #a90a57 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 #a90a57: 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 #a90a57 in 3 real palettes, including Fireside and Noir Beauty, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/goldenrod
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a90a57 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 #a90a57: 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): 7.32:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.87:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e30d74 (4.58:1); AA: background → #cccccc (4.56:1); AAA: text → #f660a8 (7.16:1); AAA: background → #fafafa (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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a90a57-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: "#a90a57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.