# #f63528

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

## Values

- Hex: `#f63528`
- RGB: rgb(246, 53, 40)
- HSL: hsl(4, 92%, 56%)
- OKLCH: oklch(0.634 0.229 29.2)
- Relative luminance: 0.2229
- Nearest named color: Arcade Fire (#ee3311, Δ 2.053) — https://brandsweets.com/colors/arcade-fire
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f63528

## Tints & shades

- Tints (toward white): #f7483b, #f85a4f, #f97167, #f9837b, #fa968e, #fba8a2, #fcbab6, #fdd1ce, #fee4e2, #fff6f5
- Shades (toward black): #f51e0f, #e11809, #c41508, #ab1207, #931006, #7a0d05, #620a04, #450703, #2c0502, #140201

## Harmonies

- Complementary: #28e8f6
- Analogous: #f62881, #f69d28
- Triadic: #28f635, #3528f6
- Split-complementary: #28f69d, #2881f6
- Tetradic: #81f628, #28e8f6, #9d28f6

## Colors that go with #f63528

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 #f63528: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Audi (https://brandsweets.com/colors/brands/audi-com), Logitech (https://brandsweets.com/colors/brands/logitech-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #f63528 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Google (https://brandsweets.com/colors/brands/google-com), Figma (https://brandsweets.com/colors/brands/figma), Replit (https://brandsweets.com/colors/brands/replit). — https://brandsweets.com/colors/dodgerblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #f63528: 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), Wired (https://brandsweets.com/colors/brands/wired-com), Substack (https://brandsweets.com/colors/brands/substack-com), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange). — https://brandsweets.com/colors/steelblue
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #f63528 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 #f63528 in 7 real palettes, including Google's brand system and Wired's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Wired (https://brandsweets.com/colors/brands/wired-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Doordash's brand system and native Cybersecurity's brand system put Blue beside #f63528, as the accent. Seen in: Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Gap (https://brandsweets.com/colors/brands/gap-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #f63528: 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 #f63528: 15 real palettes, including ElevenLabs's brand system and L'Oréal's brand system, as the accent. Seen in: ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), L'Oréal (https://brandsweets.com/colors/brands/loreal-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.85:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e6180a (4.67:1); AA: background → #1a1a1a (4.52:1); AAA: text → #b01307 (7.14:1)
- On black (#000000): 5.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f8685d (7.13:1)

## Brands using this color

- **Databricks** — primary #fc341c (Δ 1.309) — https://brandsweets.com/colors/brands/databricks-com
- **Rotten Tomatoes** — accent #fa320a (Δ 1.447) — https://brandsweets.com/colors/brands/rottentomatoes-com
- **NASA** — accent #f64137 (Δ 1.544) — https://brandsweets.com/colors/brands/nasa-gov
- **Pizza Hut** — primary #ee3124 (Δ 1.768) — https://brandsweets.com/colors/brands/pizzahut-com
- **NASA** — secondary #fc3d21 (Δ 1.831) — https://brandsweets.com/colors/brands/nasa-gov
- **Neon** — accent #ff3621 (Δ 1.847) — https://brandsweets.com/colors/brands/neon-tech

## 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/f63528-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: "#f63528" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.