# #fc5145

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

## Values

- Hex: `#fc5145`
- RGB: rgb(252, 81, 69)
- HSL: hsl(4, 97%, 63%)
- OKLCH: oklch(0.671 0.209 28.1)
- Relative luminance: 0.2701
- Nearest named color: Blood Burst (#ff474c, Δ 1.861) — https://brandsweets.com/colors/blood-burst
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fc5145

## Tints & shades

- Tints (toward white): #fc6459, #fd7268, #fd857c, #fd938b, #fea6a0, #feb4af, #fec7c3, #fed5d2, #ffe8e6, #fff6f5
- Shades (toward black): #fc3527, #fb1909, #e21203, #c41003, #ab0e03, #8d0b02, #6f0902, #500701, #320401, #140200

## Harmonies

- Complementary: #45f0fc
- Analogous: #fc4594, #fcad45
- Triadic: #45fc51, #5145fc
- Split-complementary: #45fcad, #4594fc
- Tetradic: #94fc45, #45f0fc, #ad45fc

## Colors that go with #fc5145

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 #fc5145: 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), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #fc5145 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/lightseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #fc5145 in 7 real palettes, including Heatwave and Ember, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Ember (https://brandsweets.com/palettes/bold#ember), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Monzo's brand system and Readymag's brand system put Blue beside #fc5145, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #fc5145: 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), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #fc5145 in 8 real palettes, including Pizza Hut's brand system and Wise's brand system, as the supporting colour. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Wise (https://brandsweets.com/colors/brands/wise-com), Snyk (https://brandsweets.com/colors/brands/snyk-io), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #fc5145: 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), Etsy (https://brandsweets.com/colors/brands/etsy-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #fc5145: 7 real palettes, including Figma's brand system and Heatwave, as the accent. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Readymag (https://brandsweets.com/colors/brands/readymag-com), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ec1304 (4.51:1); AA: background → #262626 (4.61:1); AAA: text → #b00e03 (7.22:1)
- On black (#000000): 6.4:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fc6459 (7.11:1)

## Brands using this color

- **Monzo** — secondary #ff4f40 (Δ 0.662) — https://brandsweets.com/colors/brands/monzo-com
- **Tumblr** — accent #ff4930 (Δ 1.777) — https://brandsweets.com/colors/brands/tumblr-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/fc5145-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: "#fc5145" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.