# #c91d53

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

## Values

- Hex: `#c91d53`
- RGB: rgb(201, 29, 83)
- HSL: hsl(341, 75%, 45%)
- OKLCH: oklch(0.544 0.203 10.6)
- Relative luminance: 0.1392
- Nearest named color: Akari Red (#c90b42, Δ 2.209) — https://brandsweets.com/colors/akari-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/c91d53

## Tints & shades

- Tints (toward white): #df205c, #e33b70, #e65180, #e96790, #ed82a4, #f098b4, #f4afc4, #f7c5d5, #fbe0e8, #fef6f8
- Shades (toward black): #b71a4c, #a51844, #93153d, #811236, #70102e, #590d25, #470a1e, #360816, #24050f, #120307

## Harmonies

- Complementary: #1dc992
- Analogous: #c91da9, #c93c1d
- Triadic: #53c91d, #1d53c9
- Split-complementary: #1dc93c, #1da9c9
- Tetradic: #a9c91d, #1dc992, #3c1dc9

## Colors that go with #c91d53

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

- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #c91d53 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #c91d53 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 #c91d53 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 #c91d53, 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 #c91d53: 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #c91d53: 4 real palettes, including MLB's brand system and Walgreens's brand system, as the accent. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Behance (https://brandsweets.com/colors/brands/behance-net), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt
- **Gold** #ffd700 [pool] — Gold shows up next to #c91d53 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 #c91d53, 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): 5.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #aa1846 (7.17:1)
- On black (#000000): 3.78:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e02460 (4.59:1); AA: background → #e8e8e8 (4.53:1); AAA: text → #ea6c94 (7.07:1)

## Brands using this color

- **Ulta Beauty** — accent #cc0058 (Δ 1.841) — 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/c91d53-c49ca4-62cb77-2d211f-f1e9ef?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: "#c91d53" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.