# #bb1b63

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

## Values

- Hex: `#bb1b63`
- RGB: rgb(187, 27, 99)
- HSL: hsl(333, 75%, 42%)
- OKLCH: oklch(0.522 0.197 0.9)
- Relative luminance: 0.1225
- Nearest named color: Aztec Warrior (#bb0066, Δ 1.772) — https://brandsweets.com/colors/aztec-warrior
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/bb1b63

## Tints & shades

- Tints (toward white): #d61f71, #e12d7e, #e5488f, #e85e9c, #ec79ad, #f094bd, #f3aacb, #f7c5db, #fadbe9, #fef6fa
- Shades (toward black): #aa185a, #981650, #8a1449, #781140, #670f36, #550c2d, #430a23, #36081c, #240513, #120309

## Harmonies

- Complementary: #1bbb73
- Analogous: #bb1bb3, #bb231b
- Triadic: #63bb1b, #1b63bb
- Split-complementary: #1bbb23, #1bb3bb
- Tetradic: #b3bb1b, #1bbb73, #231bbb

## Colors that go with #bb1b63

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

- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #bb1b63 — 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), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #bb1b63 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #bb1b63: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), IHG (https://brandsweets.com/colors/brands/ihg-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #bb1b63: 9 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
- **Gold** #ffd700 [pool] — Gold shows up next to #bb1b63 in 4 real palettes, including Tabloid and Garnet, as the accent. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Garnet (https://brandsweets.com/palettes/warm#garnet), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/gold
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #bb1b63 in 7 real palettes, including Chase's brand system and Coinbase's brand system, as the supporting colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Ubisoft (https://brandsweets.com/colors/brands/ubisoft-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #bb1b63 in 15 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
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #bb1b63: 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

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

- On white (#ffffff): 6.09:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #aa185a (7.03:1)
- On black (#000000): 3.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #df2076 (4.61:1); AA: background → #dedede (4.52:1); AAA: text → #ea6ca5 (7.19:1)

## Brands using this color

- **Bun** — secondary #c41a68 (Δ 1.932) — https://brandsweets.com/colors/brands/bun-sh

## 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/bb1b63-c49ca9-62cb69-2d1f20-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: "#bb1b63" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.