# #b10b53

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

## Values

- Hex: `#b10b53`
- RGB: rgb(177, 11, 83)
- HSL: hsl(334, 88%, 37%)
- OKLCH: oklch(0.493 0.193 4.7)
- Relative luminance: 0.1021
- Nearest named color: Fancy Red Wine (#b40441, Δ 2.704) — https://brandsweets.com/colors/fancy-red-wine
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b10b53

## Tints & shades

- Tints (toward white): #ce0d61, #eb0f6e, #f1277f, #f34490, #f566a4, #f782b5, #f99fc6, #fbbcd7, #fdd9e8, #fef5f9
- Shades (toward black): #a30a4d, #900944, #81083d, #730736, #65062f, #510526, #430420, #350319, #220210, #130109

## Harmonies

- Complementary: #0bb169
- Analogous: #b10ba6, #b1160b
- Triadic: #53b10b, #0b53b1
- Split-complementary: #0bb116, #0ba6b1
- Tetradic: #a6b10b, #0bb169, #160bb1

## Colors that go with #b10b53

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 #b10b53 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Crimson** #dc143c [pool] — Crimson is paired with #b10b53 in 7 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), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b10b53: 8 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b10b53 in 5 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
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #b10b53 — 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), Honda (https://brandsweets.com/colors/brands/honda-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #b10b53 in 14 real palettes, including AT&T's brand system and Tommy Hilfiger's brand system, as the lead colour. Seen in: AT&T (https://brandsweets.com/colors/brands/att-com), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Chipotle (https://brandsweets.com/colors/brands/chipotle-com). — https://brandsweets.com/colors/taupe
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #b10b53: 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, pool] — Charcoal is the body-text near-black for #b10b53: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 6.9:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ad0b51 (7.13:1)
- On black (#000000): 3.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e60f6c (4.65:1); AA: background → #d1d1d1 (4.52:1); AAA: text → #f561a1 (7.11:1)

## 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/b10b53-c49ca9-62cb6b-2d1f1f-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: "#b10b53" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.