# #e71f08

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

## Values

- Hex: `#e71f08`
- RGB: rgb(231, 31, 8)
- HSL: hsl(6, 93%, 47%)
- OKLCH: oklch(0.592 0.23 30.4)
- Relative luminance: 0.1799
- Nearest named color: Alarm (#ec0003, Δ 1.378) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e71f08

## Tints & shades

- Tints (toward white): #f62a13, #f7402b, #f85644, #f96c5d, #fa877a, #fb9d93, #fcb3ab, #fdcac4, #fee0dd, #fff6f5
- Shades (toward black): #d41c08, #bb1907, #a71606, #941405, #801105, #670e04, #540b03, #400802, #270501, #140301

## Harmonies

- Complementary: #08d1e7
- Analogous: #e70862, #e78e08
- Triadic: #08e71f, #1f08e7
- Split-complementary: #08e78e, #0862e7
- Tetradic: #62e708, #08d1e7, #8e08e7

## Colors that go with #e71f08

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 #e71f08: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Logitech (https://brandsweets.com/colors/brands/logitech-com), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #e71f08 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Vercel (https://brandsweets.com/colors/brands/vercel), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #e71f08 — 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 #e71f08: 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), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #e71f08 in 7 real palettes, including Wired's brand system and McDonald's's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Google (https://brandsweets.com/colors/brands/google-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — 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 #e71f08, 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), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e71f08: 5 real palettes, including Walgreens's brand system and Behance's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Behance (https://brandsweets.com/colors/brands/behance-net), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e71f08: 19 real palettes, including Netflix's brand system and McDonald's's brand system, as the accent. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Costco (https://brandsweets.com/colors/brands/costco-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ac1706 (7.29:1)
- On black (#000000): 4.6:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f96858 (7.15:1)

## Brands using this color

- **Walgreens** — secondary #e62600 (Δ 0.659) — https://brandsweets.com/colors/brands/walgreens-com
- **Doordash** — secondary #eb1700 (Δ 0.777) — https://brandsweets.com/colors/brands/doordash-com
- **Databricks** — secondary #eb1600 (Δ 0.791) — https://brandsweets.com/colors/brands/databricks-com
- **LG** — secondary #ea1917 (Δ 0.922) — https://brandsweets.com/colors/brands/lg-com
- **Tinder** — secondary #ec180e (Δ 1.015) — https://brandsweets.com/colors/brands/tinder-com
- **Twitch** — accent #eb0400 (Δ 1.195) — https://brandsweets.com/colors/brands/twitch-tv
- **Gatorade** — secondary #ea0000 (Δ 1.262) — https://brandsweets.com/colors/brands/gatorade-com
- **Lenovo** — secondary #e1251b (Δ 1.264) — https://brandsweets.com/colors/brands/lenovo-com
- **Wired** — secondary #eb0000 (Δ 1.294) — https://brandsweets.com/colors/brands/wired-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.357) — https://brandsweets.com/colors/brands/crowdstrike-com
- **Vodafone** — primary #e60000 (Δ 1.45) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.45) — https://brandsweets.com/colors/brands/vodafone-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.468) — https://brandsweets.com/colors/brands/pizzahut-com
- **Netflix** — primary #e50914 (Δ 1.509) — https://brandsweets.com/colors/brands/netflix
- **WWE** — secondary #e40707 (Δ 1.519) — https://brandsweets.com/colors/brands/wwe-com
- **Vercel** — danger #ee0000 (Δ 1.558) — https://brandsweets.com/colors/brands/vercel
- **Marvel** — accent #e62429 (Δ 1.61) — https://brandsweets.com/colors/brands/marvel-com
- **Nintendo** — secondary #e60012 (Δ 1.646) — https://brandsweets.com/colors/brands/nintendo-com
- **Hyundai** — secondary #e63312 (Δ 1.773) — https://brandsweets.com/colors/brands/hyundaiusa-com
- **JBL** — secondary #df2d00 (Δ 1.798) — https://brandsweets.com/colors/brands/jbl-com
- **Formula 1** — secondary #e10600 (Δ 1.995) — https://brandsweets.com/colors/brands/formula1-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/e71f08-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: "#e71f08" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.