# #a31f52

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

## Values

- Hex: `#a31f52`
- RGB: rgb(163, 31, 82)
- HSL: hsl(337, 68%, 38%)
- OKLCH: oklch(0.476 0.17 3.7)
- Relative luminance: 0.0938
- Nearest named color: Berry (#990f4b, Δ 3.011) — https://brandsweets.com/colors/berry
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a31f52

## Tints & shades

- Tints (toward white): #bc245e, #d6296b, #db437d, #e05c8f, #e576a0, #ea90b2, #efa9c4, #f4c3d6, #f8dde7, #fdf6f9
- Shades (toward black): #961d4b, #851943, #78173c, #671433, #5a112d, #4d0f27, #3c0b1e, #2f0918, #1e060f, #110309

## Harmonies

- Complementary: #1fa370
- Analogous: #a31f93, #a32e1f
- Triadic: #52a31f, #1f52a3
- Split-complementary: #1fa32e, #1f93a3
- Tetradic: #93a31f, #1fa370, #2e1fa3

## Colors that go with #a31f52

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 #a31f52 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 #a31f52 in 6 real palettes, including Wendy's's brand system and Nintendo's brand system, as the lead colour. 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), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a31f52: 6 real palettes, including Chase's brand system and State Farm's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a31f52 in 4 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), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/goldenrod
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a31f52 in 4 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), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #a31f52 in 15 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #a31f52: 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
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #a31f52: 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): 7.3:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.88:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d83171 (4.6:1); AA: background → #cccccc (4.55:1); AAA: text → #e4729d (7.19:1); AAA: background → #fcfcfc (7.12:1)

## 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/a31f52-c49ca7-62cb70-2d201f-f1e9f0?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: "#a31f52" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.