# #cd5151

A color — warm. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#cd5151`
- RGB: rgb(205, 81, 81)
- HSL: hsl(0, 55%, 56%)
- OKLCH: oklch(0.598 0.158 23.1)
- Relative luminance: 0.1946
- Nearest named color: Autumn Fire (#c44e4f, Δ 1.939) — https://brandsweets.com/colors/autumn-fire
- Moods: warm
- Page: https://brandsweets.com/colors/cd5151

## Tints & shades

- Tints (toward white): #d16161, #d67171, #db8484, #e09494, #e5a4a4, #e9b4b4, #eec4c4, #f4d7d7, #f8e7e7, #fdf7f7
- Shades (toward black): #c73d3d, #b63535, #9e2e2e, #8a2828, #772222, #631d1d, #4f1717, #371010, #240a0a, #100505

## Harmonies

- Complementary: #51cdcd
- Analogous: #cd518f, #cd8f51
- Triadic: #51cd51, #5151cd
- Split-complementary: #51cd8f, #518fcd
- Tetradic: #8fcd51, #51cdcd, #8f51cd

## Colors that go with #cd5151

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 #cd5151: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), IHG (https://brandsweets.com/colors/brands/ihg-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #cd5151: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #cd5151 in 7 real palettes, including Google's brand system and McDonald's's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Dunkin''s brand system and Tim Hortons's brand system put Blue beside #cd5151, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), 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). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #cd5151 in 4 real palettes, including Gemstone and Twitch's brand system, as the supporting colour. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #cd5151: 4 real palettes, including Diner and Clean Beauty, as the supporting colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including LG's brand system and Woodsmoke put Champagne beside #cd5151, as the accent. Seen in: LG (https://brandsweets.com/colors/brands/lg-com), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #cd5151: 5 real palettes, including Walgreens's brand system and NASA's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Behance (https://brandsweets.com/colors/brands/behance-net), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 4.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ca4949 (4.6:1); AA: background → #0d0d0d (4.53:1); AAA: text → #a22f2f (7.04:1)
- On black (#000000): 4.89:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #d97d7d (7.18:1)

## Brands using this color

- **Notion** — danger #d44c47 (Δ 1.653) — https://brandsweets.com/colors/brands/notion
- **Sourcegraph** — accent #d14d41 (Δ 1.866) — https://brandsweets.com/colors/brands/sourcegraph-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/cd5151-c4a19c-62cb98-2d251f-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: "#cd5151" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.