# #a81550

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

## Values

- Hex: `#a81550`
- RGB: rgb(168, 21, 80)
- HSL: hsl(336, 78%, 37%)
- OKLCH: oklch(0.479 0.181 4.8)
- Relative luminance: 0.0944
- Nearest named color: Bindi Red (#b0003c, Δ 3.197) — https://brandsweets.com/colors/bindi-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a81550

## Tints & shades

- Tints (toward white): #c3185d, #de1b69, #e6337a, #e94e8c, #ed6ea1, #f089b2, #f4a4c4, #f7bfd6, #fbdbe7, #fef6f9
- Shades (toward black): #9a1349, #881141, #7b0f3a, #6d0d34, #5f0c2d, #4d0a25, #40081e, #320618, #20040f, #120209

## Harmonies

- Complementary: #15a86d
- Analogous: #a81599, #a82315
- Triadic: #50a815, #1550a8
- Split-complementary: #15a823, #1599a8
- Tetradic: #99a815, #15a86d, #2315a8

## Colors that go with #a81550

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

- **Crimson** #dc143c [pool] — Crimson is paired with #a81550 in 6 real palettes, including Wendy's's brand system and Nintendo's brand system, as the lead colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a81550: 6 real palettes, including Chase's brand system and Nissan's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a81550 in 4 real palettes, including Fireside and Noir Beauty, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/goldenrod
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a81550 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
- **Taupe** #483c32 [pool] — Taupe is paired with #a81550 in 15 real palettes, including Tommy Hilfiger's brand system and Chipotle's brand system, as the lead colour. Seen in: Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), AT&T (https://brandsweets.com/colors/brands/att-com), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony: complementary] — Teal sits directly opposite #a81550 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/teal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #a81550: 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 #a81550: 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). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 7.27:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.89:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e31c6c (4.65:1); AA: background → #cccccc (4.53:1); AAA: text → #ec699e (7.08:1); AAA: background → #fcfcfc (7.09:1)

## 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/a81550-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: "#a81550" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.