# #d83137

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

## Values

- Hex: `#d83137`
- RGB: rgb(216, 49, 55)
- HSL: hsl(358, 68%, 52%)
- OKLCH: oklch(0.579 0.203 24.7)
- Relative luminance: 0.1707
- Nearest named color: Angry Tomato (#d82029, Δ 1.803) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d83137

## Tints & shades

- Tints (toward white): #dc474c, #df585c, #e36d71, #e77e82, #eb9497, #efa9ac, #f2babc, #f6d0d1, #f9e1e2, #fdf6f7
- Shades (toward black): #c9262c, #b42227, #a31f23, #8d1b1f, #78171a, #631315, #4d0f11, #3c0b0d, #270708, #110304

## Harmonies

- Complementary: #31d8d2
- Analogous: #d8318a, #d87f31
- Triadic: #37d831, #3137d8
- Split-complementary: #31d87f, #318ad8
- Tetradic: #8ad831, #31d8d2, #7f31d8

## Colors that go with #d83137

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 #d83137: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), IHG (https://brandsweets.com/colors/brands/ihg-com), 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 #d83137 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #d83137: 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), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #d83137 in 7 real palettes, including McDonald's's brand system and Wired's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #d83137, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #d83137: 5 real palettes, including Walgreens's brand system and Behance's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Behance (https://brandsweets.com/colors/brands/behance-net), NASA (https://brandsweets.com/colors/brands/nasa-gov), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #d83137 in 5 real palettes, including Farmers Market and Magazine Ochre, as the supporting colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #d83137: 18 real palettes, including McDonald's's brand system and Target : Expect More. Pay Less.'s brand system, as the accent. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Costco (https://brandsweets.com/colors/brands/costco-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.76:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ab2125 (7.06:1)
- On black (#000000): 4.41:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d9363b (4.54:1); AA: background → #fafafa (4.56:1); AAA: text → #e5767a (7.2:1)

## Brands using this color

- **Riot Games** — secondary #d1363a (Δ 1.34) — https://brandsweets.com/colors/brands/riotgames-com
- **DuckDuckGo** — secondary #d83544 (Δ 1.355) — https://brandsweets.com/colors/brands/duckduckgo-com
- **Redfin** — primary #dc3443 (Δ 1.526) — https://brandsweets.com/colors/brands/redfin-com
- **Codecademy** — accent #dc2626 (Δ 1.602) — https://brandsweets.com/colors/brands/codecademy-com
- **Lay's** — accent #df2027 (Δ 1.947) — https://brandsweets.com/colors/brands/lays-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/d83137-c49f9c-62cb95-2d251f-f1e9ed?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: "#d83137" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.