# #910d21

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

## Values

- Hex: `#910d21`
- RGB: rgb(145, 13, 33)
- HSL: hsl(351, 84%, 31%)
- OKLCH: oklch(0.42 0.161 21.9)
- Relative luminance: 0.0642
- Nearest named color: Barbera (#8b031c, Δ 1.699) — https://brandsweets.com/colors/barbera
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/910d21

## Tints & shades

- Tints (toward white): #b21028, #ce122e, #eb1939, #ee3a55, #f15b71, #f3778a, #f698a6, #f9b9c2, #fbd5db, #fef6f7
- Shades (toward black): #830b1d, #7a0b1b, #6c0918, #5e0815, #540713, #460610, #38050d, #2a0409, #210307, #130204

## Harmonies

- Complementary: #0d917e
- Analogous: #910d63, #913b0d
- Triadic: #21910d, #0d2191
- Split-complementary: #0d913b, #0d6391
- Tetradic: #63910d, #0d917e, #3b0d91

## Colors that go with #910d21

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 #910d21 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron). — https://brandsweets.com/colors/teal
- **Crimson** #dc143c [pool] — Crimson is paired with #910d21 in 5 real palettes, including State Farm's brand system and Wendy's's brand system, as the lead colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #910d21: 4 real palettes, including State Farm's brand system and Campbell's's brand system, as the accent. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #910d21 in 14 real palettes, including Trader Joe's's brand system and Cider, as the lead colour. Seen in: Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com), Cider (https://brandsweets.com/palettes/warm#cider), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bookshop (https://brandsweets.com/palettes/editorial#bookshop). — https://brandsweets.com/colors/taupe
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #910d21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/steelblue
- **Champagne** #f7e7ce [pool] — 3 real palettes, including Bramble and Woodsmoke put Champagne beside #910d21, as the text colour against it. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #910d21: 3 real palettes, including Chipotle's brand system and Bramble, as the accent. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Bramble (https://brandsweets.com/palettes/muted#bramble), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #910d21: 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): 9.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e61433 (4.51:1); AA: background → #b8b8b8 (4.64:1); AAA: text → #f2697d (7.09:1); AAA: background → #e3e3e3 (7.17:1)

## 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/910d21-c49c9e-62cb89-2d231f-f1e9ee?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: "#910d21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.