# #c81e40

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

## Values

- Hex: `#c81e40`
- RGB: rgb(200, 30, 64)
- HSL: hsl(348, 74%, 45%)
- OKLCH: oklch(0.539 0.2 17.8)
- Relative luminance: 0.1358
- Nearest named color: Akari Red (#c90b42, Δ 1.304) — https://brandsweets.com/colors/akari-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/c81e40

## Tints & shades

- Tints (toward white): #de2147, #e23c5d, #e5526f, #e86882, #ec8398, #f099aa, #f3afbd, #f6c5cf, #fae0e5, #fef6f8
- Shades (toward black): #b61b3a, #a41934, #92162f, #811329, #6f1123, #590d1c, #470b17, #350811, #23050b, #120306

## Harmonies

- Complementary: #1ec8a6
- Analogous: #c81e95, #c8511e
- Triadic: #40c81e, #1e40c8
- Split-complementary: #1ec851, #1e95c8
- Tetradic: #95c81e, #1ec8a6, #511ec8

## Colors that go with #c81e40

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #c81e40: 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), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #c81e40 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com), Behance (https://brandsweets.com/colors/brands/behance-net), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #c81e40: 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), Netflix (https://brandsweets.com/colors/brands/netflix), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #c81e40: 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), Honda (https://brandsweets.com/colors/brands/honda-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #c81e40 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 #c81e40 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), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #c81e40, 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #c81e40: 4 real palettes, including MLB's brand system and Behance's brand system, as the accent. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Behance (https://brandsweets.com/colors/brands/behance-net), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 5.65:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ad1a37 (7.05:1)
- On black (#000000): 3.72:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #df264b (4.52:1); AA: background → #e6e6e6 (4.53:1); AAA: text → #ea7189 (7.22:1)

## Brands using this color

- **AT&T** — accent #c70032 (Δ 1.978) — https://brandsweets.com/colors/brands/att-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/c81e40-c49c9f-62cb83-2d231f-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: "#c81e40" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.