# #e64828

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

## Values

- Hex: `#e64828`
- RGB: rgb(230, 72, 40)
- HSL: hsl(10, 79%, 53%)
- OKLCH: oklch(0.623 0.2 33.2)
- Relative luminance: 0.2161
- Nearest named color: Baptism by Fire (#e6490b, Δ 1.465) — https://brandsweets.com/colors/baptism-by-fire
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e64828

## Tints & shades

- Tints (toward white): #e95b3f, #eb6b52, #ed7f68, #ef8e7b, #f2a291, #f4b1a4, #f7c5bb, #f9d4cd, #fce8e4, #fef7f6
- Shades (toward black): #db3a1a, #c43417, #ad2e14, #972812, #842310, #6e1d0d, #57170a, #401107, #290b05, #120502

## Harmonies

- Complementary: #28c6e6
- Analogous: #e62868, #e6a728
- Triadic: #28e648, #4828e6
- Split-complementary: #28e6a7, #2868e6
- Tetradic: #68e628, #28c6e6, #a728e6

## Colors that go with #e64828

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 #e64828 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 #e64828: 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), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #e64828 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), Wellness (https://brandsweets.com/palettes/warm#wellness), Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e64828: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), 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 #e64828 in 7 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 Doordash's brand system put Blue beside #e64828, as the accent. Seen in: Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e64828: 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 #e64828: 19 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), Etsy (https://brandsweets.com/colors/brands/etsy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.95:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #db3a1a (4.53:1); AA: background → #171717 (4.54:1); AAA: text → #a42b13 (7.16:1)
- On black (#000000): 5.32:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ec735b (7.17:1)

## Brands using this color

- **Todoist** — secondary #e34432 (Δ 1.362) — https://brandsweets.com/colors/brands/todoist-com
- **Todoist** — primary #e44434 (Δ 1.413) — https://brandsweets.com/colors/brands/todoist-com
- **Todoist** — accent #e44232 (Δ 1.524) — https://brandsweets.com/colors/brands/todoist-com
- **Google** — secondary #ea4335 (Δ 1.615) — https://brandsweets.com/colors/brands/google-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/e64828-c4a79c-62cbaa-2d281f-f1e9ec?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: "#e64828" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.