# #cd3a37

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

## Values

- Hex: `#cd3a37`
- RGB: rgb(205, 58, 55)
- HSL: hsl(1, 60%, 51%)
- OKLCH: oklch(0.568 0.185 26.2)
- Relative luminance: 0.1628
- Nearest named color: Bento Box (#cc363c, Δ 1.004) — https://brandsweets.com/colors/bento-box
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/cd3a37

## Tints & shades

- Tints (toward white): #d24e4b, #d65e5c, #db7270, #e08685, #e59a99, #eaaaa9, #efbfbe, #f4d3d2, #f8e3e2, #fdf7f7
- Shades (toward black): #bc312f, #ab2d2b, #972826, #832221, #721e1d, #5e1917, #491312, #350e0d, #250a09, #100404

## Harmonies

- Complementary: #37cbcd
- Analogous: #cd3780, #cd8537
- Triadic: #37cd3a, #3a37cd
- Split-complementary: #37cd85, #3780cd
- Tetradic: #80cd37, #37cbcd, #8537cd

## Colors that go with #cd3a37

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 #cd3a37: 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 #cd3a37 — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #cd3a37 — 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), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), 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 #cd3a37: 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
- **Amber** #ffbf00 [pool] — Amber is paired with #cd3a37 in 7 real palettes, including McDonald's's brand system and Maple, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — 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 #cd3a37, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #cd3a37: 5 real palettes, including Behance's brand system and Walgreens's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), MLB (https://brandsweets.com/colors/brands/mlb-com), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #cd3a37 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

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

- On white (#ffffff): 4.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a32b29 (7.16:1)
- On black (#000000): 4.26:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #cf423f (4.5:1); AA: background → #f5f5f5 (4.53:1); AAA: text → #dd7a78 (7.13:1)

## Brands using this color

- **Casper Sleep** — primary #cc3b31 (Δ 0.703) — https://brandsweets.com/colors/brands/casper-com
- **Riot Games** — secondary #d1363a (Δ 0.979) — https://brandsweets.com/colors/brands/riotgames-com
- **Aesop** — secondary #ca432f (Δ 1.892) — https://brandsweets.com/colors/brands/aesop-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/cd3a37-c4a19c-62cb9a-2d261f-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: "#cd3a37" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.