# #e54d43

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

## Values

- Hex: `#e54d43`
- RGB: rgb(229, 77, 67)
- HSL: hsl(4, 76%, 58%)
- OKLCH: oklch(0.629 0.19 27.6)
- Relative luminance: 0.2237
- Nearest named color: Blazing (#e94e41, Δ 0.86) — https://brandsweets.com/colors/blazing
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e54d43

## Tints & shades

- Tints (toward white): #e85e54, #ea6f66, #ed8078, #ef918a, #f2a29c, #f4b3ae, #f6c4c0, #f9d5d2, #fbe6e4, #fef7f6
- Shades (toward black): #e2382c, #d3291d, #bc251a, #a21f16, #8b1b13, #751710, #5a110c, #430d09, #280806, #120302

## Harmonies

- Complementary: #43dae5
- Analogous: #e54389, #e59f43
- Triadic: #43e54d, #4d43e5
- Split-complementary: #43e59f, #4389e5
- Tetradic: #89e543, #43dae5, #9f43e5

## Colors that go with #e54d43

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

- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #e54d43 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #e54d43: 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), Audi (https://brandsweets.com/colors/brands/audi-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e54d43: 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), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Substack (https://brandsweets.com/colors/brands/substack-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #e54d43 in 8 real palettes, including Google's brand system and Ember, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Ember (https://brandsweets.com/palettes/bold#ember), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Glossier's brand system and Monzo's brand system put Blue beside #e54d43, as the accent. Seen in: Glossier (https://brandsweets.com/colors/brands/glossier-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e54d43: 5 real palettes, including NASA's brand system and Walgreens's brand system, as the lead colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Tide (https://brandsweets.com/colors/brands/tide-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e54d43: 20 real palettes, including Postman's brand system and PlanetScale's brand system, as the accent. Seen in: Postman (https://brandsweets.com/colors/brands/postman-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e54d43: 8 real palettes, including Google's brand system and Figma's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Figma (https://brandsweets.com/colors/brands/figma), Replit (https://brandsweets.com/colors/brands/replit), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.84:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e13023 (4.52:1); AA: background → #1a1a1a (4.54:1); AAA: text → #ab2117 (7.09:1)
- On black (#000000): 5.47:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #eb736b (7.2:1)

## Brands using this color

- **Google** — secondary #ea4335 (Δ 1.71) — https://brandsweets.com/colors/brands/google-com
- **Todoist** — primary #e44434 (Δ 1.728) — https://brandsweets.com/colors/brands/todoist-com
- **Todoist** — secondary #e34432 (Δ 1.909) — https://brandsweets.com/colors/brands/todoist-com
- **Roblox** — accent #e75750 (Δ 1.981) — https://brandsweets.com/colors/brands/roblox-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/e54d43-c4a39c-62cb9f-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: "#e54d43" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.