# #fe4639

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

## Values

- Hex: `#fe4639`
- RGB: rgb(254, 70, 57)
- HSL: hsl(4, 99%, 61%)
- OKLCH: oklch(0.662 0.222 28.7)
- Relative luminance: 0.2575
- Nearest named color: Blood Burst (#ff474c, Δ 1.836) — https://brandsweets.com/colors/blood-burst
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fe4639

## Tints & shades

- Tints (toward white): #fe594d, #fe675d, #fe7a71, #fe8d85, #fea09a, #ffaea9, #ffc1bd, #ffd4d1, #ffe3e1, #fff6f5
- Shades (toward black): #fe2a1b, #fe1201, #df1001, #c10e01, #a70c01, #890a01, #6b0801, #4c0500, #330400, #140100

## Harmonies

- Complementary: #39f1fe
- Analogous: #fe398e, #fea939
- Triadic: #39fe46, #4639fe
- Split-complementary: #39fea9, #398efe
- Tetradic: #8efe39, #39f1fe, #a939fe

## Colors that go with #fe4639

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 #fe4639: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Audi (https://brandsweets.com/colors/brands/audi-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #fe4639 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). — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #fe4639 in 7 real palettes, including Heatwave and Google's brand system, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com), Ember (https://brandsweets.com/palettes/bold#ember), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Monzo's brand system and Doordash's brand system put Blue beside #fe4639, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #fe4639: 4 real palettes, including NASA's brand system and Tide's brand system, as the lead colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #fe4639: 14 real palettes, including Strava's brand system and Soundcloud's brand system, as the accent. Seen in: Strava (https://brandsweets.com/colors/brands/strava-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), L'Oréal (https://brandsweets.com/colors/brands/loreal-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #fe4639: 7 real palettes, including Databricks's brand system and Heatwave, as the accent. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Figma (https://brandsweets.com/colors/brands/figma), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #fe4639: 7 real palettes, including Ember and 3M's brand system, as the supporting colour. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), 3M (https://brandsweets.com/colors/brands/3m-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 3.42:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e91101 (4.62:1); AA: background → #242424 (4.55:1); AAA: text → #b20d01 (7.12:1)
- On black (#000000): 6.15:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fe6358 (7.14:1)

## Brands using this color

- **Tumblr** — accent #ff4930 (Δ 0.999) — https://brandsweets.com/colors/brands/tumblr-com
- **Monzo** — secondary #ff4f40 (Δ 1.318) — https://brandsweets.com/colors/brands/monzo-com
- **Audi** — accent #ff3e41 (Δ 1.467) — https://brandsweets.com/colors/brands/audi-com
- **NASA** — accent #f64137 (Δ 1.847) — https://brandsweets.com/colors/brands/nasa-gov
- **NASA** — secondary #fc3d21 (Δ 1.85) — https://brandsweets.com/colors/brands/nasa-gov

## Curated palettes containing it

- **Streetwear** (bold, vivid, dark) — #ff3b30, #ffffff, #ffe600, #0a0a0a — Black, white, red, yellow — drop-culture signal colors, unmissable at thumbnail size. — tool: https://brandsweets.com/palettes/new/ff3b30-ffffff-ffe600-0a0a0a — collection: https://brandsweets.com/palettes/bold

## 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/fe4639-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: "#fe4639" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.