# #b31e75

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

## Values

- Hex: `#b31e75`
- RGB: rgb(179, 30, 117)
- HSL: hsl(325, 71%, 41%)
- OKLCH: oklch(0.516 0.196 351.2)
- Relative luminance: 0.118
- Nearest named color: King’s Plum Pie (#b3107a, Δ 1.551) — https://brandsweets.com/colors/kings-plum-pie
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b31e75

## Tints & shades

- Tints (toward white): #cd2386, #dc2e93, #e048a1, #e462ae, #e97cbc, #ed92c7, #f1acd4, #f5c6e2, #f9dced, #fef6fb
- Shades (toward black): #a11b6a, #941961, #831656, #71134a, #641142, #530e36, #410b2b, #30081f, #230617, #11030b

## Harmonies

- Complementary: #1eb35c
- Analogous: #a61eb3, #b31e2b
- Triadic: #75b31e, #1e75b3
- Split-complementary: #2bb31e, #1eb3a6
- Tetradic: #b3a61e, #1eb35c, #1e2bb3

## Colors that go with #b31e75

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #b31e75 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #b31e75's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b31e75: 5 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), AT&T (https://brandsweets.com/colors/brands/att-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #b31e75 in 5 real palettes, including Dunkin''s brand system and AT&T's brand system, as the lead colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), AT&T (https://brandsweets.com/colors/brands/att-com), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), New Balance (https://brandsweets.com/colors/brands/newbalance-com). — https://brandsweets.com/colors/taupe
- **Forest Green** #228b22 [harmony, pool: split] — Forest Green is a split-complement of #b31e75: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/forestgreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #b31e75 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #b31e75: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #b31e75: 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): 6.25:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a11b6a (7.29:1)
- On black (#000000): 3.36:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #da258f (4.64:1); AA: background → #dbdbdb (4.52:1); AAA: text → #e66bb3 (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/b31e75-c19faf-69cb62-2d1f21-f0e9f1?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: "#b31e75" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.