# #f63d13

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

## Values

- Hex: `#f63d13`
- RGB: rgb(246, 61, 19)
- HSL: hsl(11, 93%, 52%)
- OKLCH: oklch(0.639 0.226 33.2)
- Relative luminance: 0.2298
- Nearest named color: Arcade Fire (#ee3311, Δ 2.224) — https://brandsweets.com/colors/arcade-fire
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f63d13

## Tints & shades

- Tints (toward white): #f7512b, #f8613f, #f97558, #fa856b, #fb9a84, #fbae9d, #fcbeb0, #fdd2c9, #fee3dd, #fff7f5
- Shades (toward black): #e73108, #cf2c07, #bb2807, #a22306, #8a1d05, #711804, #591303, #450f02, #2c0902, #140401

## Harmonies

- Complementary: #13cdf6
- Analogous: #f6135b, #f6ae13
- Triadic: #13f63d, #3d13f6
- Split-complementary: #13f6ae, #135bf6
- Tetradic: #5bf613, #13cdf6, #ae13f6

## Colors that go with #f63d13

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 #f63d13: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Audi (https://brandsweets.com/colors/brands/audi-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 #f63d13 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 #f63d13 in 7 real palettes, including Google's brand system and Heatwave, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), 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 Glossier's brand system and Doordash's brand system put Blue beside #f63d13, as the accent. Seen in: Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Readymag (https://brandsweets.com/colors/brands/readymag-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 #f63d13: 5 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), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #f63d13: 14 real palettes, including L'Oréal's brand system and YouTube's brand system, as the accent. Seen in: L'Oréal (https://brandsweets.com/colors/brands/loreal-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), Strava (https://brandsweets.com/colors/brands/strava-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #f63d13: 7 real palettes, including Databricks's brand system and Figma's brand system, as the accent. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Figma (https://brandsweets.com/colors/brands/figma), Google (https://brandsweets.com/colors/brands/google-com), Replit (https://brandsweets.com/colors/brands/replit). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #f63d13: 8 real palettes, including 3M's brand system and Ember, as the supporting colour. Seen in: 3M (https://brandsweets.com/colors/brands/3m-com), Ember (https://brandsweets.com/palettes/bold#ember), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 3.75:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e23008 (4.51:1); AA: background → #1c1c1c (4.54:1); AAA: text → #a72406 (7.25:1)
- On black (#000000): 5.6:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f86949 (7.11:1)

## Brands using this color

- **Glossier** — secondary #f94200 (Δ 1.184) — https://brandsweets.com/colors/brands/glossier-com
- **Rotten Tomatoes** — accent #fa320a (Δ 1.204) — https://brandsweets.com/colors/brands/rottentomatoes-com
- **NASA** — secondary #fc3d21 (Δ 1.369) — https://brandsweets.com/colors/brands/nasa-gov
- **Databricks** — primary #fc341c (Δ 1.495) — https://brandsweets.com/colors/brands/databricks-com
- **Reddit** — secondary #fc4301 (Δ 1.691) — https://brandsweets.com/colors/brands/reddit-com
- **Brex** — secondary #ff3d00 (Δ 1.789) — https://brandsweets.com/colors/brands/brex-com
- **Doordash** — primary #ff3008 (Δ 1.852) — https://brandsweets.com/colors/brands/doordash-com
- **Neon** — accent #ff3621 (Δ 1.957) — https://brandsweets.com/colors/brands/neon-tech

## Curated palettes containing it

- **Electric Lime** (neon, vivid, bold, light) — #c6ff00, #111111, #ff3d00, #ffffff — One neon on white with black type — lime-and-black is the neon that works in daylight; the orange is a second gear. — tool: https://brandsweets.com/palettes/new/c6ff00-111111-ff3d00-ffffff — collection: https://brandsweets.com/palettes/neon

## 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/f63d13-c4a89c-62cbab-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: "#f63d13" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.