# #f01800

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

## Values

- Hex: `#f01800`
- RGB: rgb(240, 24, 0)
- HSL: hsl(6, 100%, 47%)
- OKLCH: oklch(0.605 0.241 30.3)
- Relative luminance: 0.1918
- Nearest named color: Assassin’s Red (#f60206, Δ 1.264) — https://brandsweets.com/colors/assassins-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f01800

## Tints & shades

- Tints (toward white): #ff230a, #ff3a24, #ff513d, #ff6857, #ff8375, #ff9a8f, #ffb1a8, #ffc8c2, #ffdfdb, #fff6f5
- Shades (toward black): #db1600, #c21300, #ad1100, #990f00, #850d00, #6b0b00, #570900, #420700, #290400, #140200

## Harmonies

- Complementary: #00d8f0
- Analogous: #f00060, #f09000
- Triadic: #00f018, #1800f0
- Split-complementary: #00f090, #0060f0
- Tetradic: #60f000, #00d8f0, #9000f0

## Colors that go with #f01800

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 #f01800: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Logitech (https://brandsweets.com/colors/brands/logitech-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Audi (https://brandsweets.com/colors/brands/audi-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #f01800 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Vercel (https://brandsweets.com/colors/brands/vercel), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #f01800 — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #f01800: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #f01800 in 7 real palettes, including Wired's brand system and Google's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Doordash's brand system and native Cybersecurity's brand system put Blue beside #f01800, as the accent. Seen in: Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Gap (https://brandsweets.com/colors/brands/gap-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #f01800: 5 real palettes, including Walgreens's brand system and NASA's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), 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 #f01800: 18 real palettes, including ElevenLabs's brand system and Netflix's brand system, as the accent. Seen in: ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Netflix (https://brandsweets.com/colors/brands/netflix), L'Oréal (https://brandsweets.com/colors/brands/loreal-com), YouTube (https://brandsweets.com/colors/brands/youtube-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.34:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #eb1700 (4.51:1); AA: background → #0a0a0a (4.56:1); AAA: text → #ad1100 (7.35:1)
- On black (#000000): 4.84:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ff6352 (7.16:1)

## Brands using this color

- **Tinder** — secondary #ec180e (Δ 0.886) — https://brandsweets.com/colors/brands/tinder-com
- **Doordash** — secondary #eb1700 (Δ 1.033) — https://brandsweets.com/colors/brands/doordash-com
- **Databricks** — secondary #eb1600 (Δ 1.055) — https://brandsweets.com/colors/brands/databricks-com
- **Vercel** — danger #ee0000 (Δ 1.113) — https://brandsweets.com/colors/brands/vercel
- **LG** — secondary #ea1917 (Δ 1.384) — https://brandsweets.com/colors/brands/lg-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.415) — https://brandsweets.com/colors/brands/crowdstrike-com
- **Twitch** — accent #eb0400 (Δ 1.487) — https://brandsweets.com/colors/brands/twitch-tv
- **Wired** — secondary #eb0000 (Δ 1.585) — https://brandsweets.com/colors/brands/wired-com
- **Gatorade** — secondary #ea0000 (Δ 1.762) — https://brandsweets.com/colors/brands/gatorade-com
- **Walgreens** — secondary #e62600 (Δ 1.943) — https://brandsweets.com/colors/brands/walgreens-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.947) — https://brandsweets.com/colors/brands/pizzahut-com
- **Pizza Hut** — primary #ee3124 (Δ 1.977) — https://brandsweets.com/colors/brands/pizzahut-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/f01800-c4a59c-62cba3-2d271f-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: "#f01800" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.