# #cb105b

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

## Values

- Hex: `#cb105b`
- RGB: rgb(203, 16, 91)
- HSL: hsl(336, 85%, 43%)
- OKLCH: oklch(0.545 0.212 6.8)
- Relative luminance: 0.1382
- Nearest named color: Beet Wave (#d4265d, Δ 2.887) — https://brandsweets.com/colors/beet-wave
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/cb105b

## Tints & shades

- Tints (toward white): #e71368, #ed2676, #f04288, #f25a97, #f476a8, #f68eb7, #f8aac9, #fac2d8, #fcdeea, #fef6f9
- Shades (toward black): #b80f53, #a50d4a, #920c42, #7f0a39, #710933, #5e082a, #4b0622, #390519, #260311, #130208

## Harmonies

- Complementary: #10cb80
- Analogous: #cb10b8, #cb2310
- Triadic: #5bcb10, #105bcb
- Split-complementary: #10cb23, #10b8cb
- Tetradic: #b8cb10, #10cb80, #2310cb

## Colors that go with #cb105b

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 #cb105b — 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), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Honda (https://brandsweets.com/colors/brands/honda-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #cb105b 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
- **Amber** #ffbf00 [pool] — Amber is paired with #cb105b in 6 real palettes, including Maple and McDonald's's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Ember (https://brandsweets.com/palettes/bold#ember), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Dunkin''s brand system and Tim Hortons's brand system put Blue beside #cb105b, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #cb105b: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #cb105b: 12 real palettes, including Ulta Beauty's brand system and Chase's brand system, as the supporting colour. Seen in: Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Chase (https://brandsweets.com/colors/brands/chase-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 #cb105b in 5 real palettes, including Tabloid and Lay's's brand system, as the accent. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/gold
- **Midnight Blue** #191970 [pool] — 5 real palettes, including MLB's brand system and Nintendo's brand system put Midnight Blue beside #cb105b, as the lead colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 5.58:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af0e4e (7.01:1)
- On black (#000000): 3.76:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e21266 (4.51:1); AA: background → #e8e8e8 (4.55:1); AAA: text → #f2639d (7.05:1)

## Brands using this color

- **Ulta Beauty** — accent #cc0058 (Δ 0.632) — https://brandsweets.com/colors/brands/ulta-com

## 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/cb105b-c49ca7-62cb6e-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: "#cb105b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.