# #a40451

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

## Values

- Hex: `#a40451`
- RGB: rgb(164, 4, 81)
- HSL: hsl(331, 95%, 33%)
- OKLCH: oklch(0.465 0.186 2.2)
- Relative luminance: 0.0857
- Nearest named color: Berry (#990f4b, Δ 2.411) — https://brandsweets.com/colors/berry
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a40451

## Tints & shades

- Tints (toward white): #c70563, #e50672, #f91583, #fa3393, #fb56a6, #fb74b5, #fc97c8, #fdb4d8, #fed7ea, #fff5fa
- Shades (toward black): #95044a, #860343, #77033b, #680334, #5e022f, #500228, #410220, #320119, #230111, #14010a

## Harmonies

- Complementary: #04a457
- Analogous: #a404a1, #a40704
- Triadic: #51a404, #0451a4
- Split-complementary: #04a407, #04a1a4
- Tetradic: #a1a404, #04a457, #0704a4

## Colors that go with #a40451

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 #a40451 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 #a40451: 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), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #a40451 in 13 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), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony: complementary] — Teal sits directly opposite #a40451 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 #a40451: 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
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #a40451 in 3 real palettes, including Fireside and Candlelight, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/goldenrod
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #a40451 in 3 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). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #a40451: 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): 7.74:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e50672 (4.6:1); AA: background → #c7c7c7 (4.58:1); AAA: text → #fb5ba8 (7.16:1); AAA: background → #f5f5f5 (7.1:1)

## 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/a40451-c49cab-62cb66-2d1f20-f1e9f1?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: "#a40451" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.