# #c51645

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

## Values

- Hex: `#c51645`
- RGB: rgb(197, 22, 69)
- HSL: hsl(344, 80%, 43%)
- OKLCH: oklch(0.531 0.202 14.8)
- Relative luminance: 0.1287
- Nearest named color: Akari Red (#c90b42, Δ 0.857) — https://brandsweets.com/colors/akari-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/c51645

## Tints & shades

- Tints (toward white): #e1194e, #e82c5e, #eb4773, #ed5e84, #f07a99, #f391ab, #f6acc0, #f8c3d1, #fbdfe6, #fef6f8
- Shades (toward black): #b3143e, #a11238, #8e1032, #7c0e2b, #6e0c26, #5c0a20, #49081a, #370613, #25040d, #120206

## Harmonies

- Complementary: #16c597
- Analogous: #c5169c, #c53f16
- Triadic: #45c516, #1645c5
- Split-complementary: #16c53f, #169cc5
- Tetradic: #9cc516, #16c597, #3f16c5

## Colors that go with #c51645

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #c51645 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #c51645 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), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #c51645 in 6 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #c51645, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-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 #c51645: 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), IHG (https://brandsweets.com/colors/brands/ihg-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #c51645 in 4 real palettes, including Olive Grove and Farmers Market, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #c51645: 12 real palettes, including AT&T's brand system and Chase's brand system, as the supporting colour. Seen in: AT&T (https://brandsweets.com/colors/brands/att-com), 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). — https://brandsweets.com/colors/denim
- **Gold** #ffd700 [pool] — Gold shows up next to #c51645 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), Garnet (https://brandsweets.com/palettes/warm#garnet), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/gold

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

- On white (#ffffff): 5.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ae133d (7.09:1)
- On black (#000000): 3.57:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e61950 (4.62:1); AA: background → #e3e3e3 (4.58:1); AAA: text → #ef6c8f (7.21:1)

## Brands using this color

- **MLB** — secondary #bf0d3e (Δ 1.65) — https://brandsweets.com/colors/brands/mlb-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/c51645-c49ca2-62cb7c-2d221f-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: "#c51645" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.