# #e71818

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

## Values

- Hex: `#e71818`
- RGB: rgb(231, 24, 24)
- HSL: hsl(0, 81%, 50%)
- OKLCH: oklch(0.59 0.232 28.4)
- Relative luminance: 0.1771
- Nearest named color: Alarm (#ec0003, Δ 1.141) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e71818

## Tints & shades

- Tints (toward white): #e92f2f, #ec4646, #ee5959, #f07070, #f28787, #f59e9e, #f7b5b5, #f9c8c8, #fcdfdf, #fef6f6
- Shades (toward black): #d01616, #bd1414, #a61111, #941010, #7d0d0d, #660b0b, #530909, #3c0606, #2a0404, #120202

## Harmonies

- Complementary: #18e7e7
- Analogous: #e71880, #e78018
- Triadic: #18e718, #1818e7
- Split-complementary: #18e780, #1880e7
- Tetradic: #80e718, #18e7e7, #8018e7

## Colors that go with #e71818

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 #e71818: 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 #e71818 — 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
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e71818: 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 #e71818 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), Maple (https://brandsweets.com/palettes/warm#maple). — 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 #e71818, 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 #e71818: 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 #e71818: 18 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), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e71818: 6 real palettes, including Databricks's brand system and Google's brand system, as the accent. Seen in: Databricks (https://brandsweets.com/colors/brands/databricks-com), Google (https://brandsweets.com/colors/brands/google-com), Replit (https://brandsweets.com/colors/brands/replit), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 4.62:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af1212 (7.2:1)
- On black (#000000): 4.54:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f07070 (7.26:1)

## Brands using this color

- **LG** — secondary #ea1917 (Δ 0.635) — https://brandsweets.com/colors/brands/lg-com
- **Pizza Hut** — secondary #e91c24 (Δ 0.848) — https://brandsweets.com/colors/brands/pizzahut-com
- **Netflix** — primary #e50914 (Δ 0.872) — https://brandsweets.com/colors/brands/netflix
- **Nintendo** — secondary #e60012 (Δ 0.999) — https://brandsweets.com/colors/brands/nintendo-com
- **Gatorade** — secondary #ea0000 (Δ 1.003) — https://brandsweets.com/colors/brands/gatorade-com
- **Twitch** — accent #eb0400 (Δ 1.034) — https://brandsweets.com/colors/brands/twitch-tv
- **Wired** — secondary #eb0000 (Δ 1.072) — https://brandsweets.com/colors/brands/wired-com
- **Tinder** — secondary #ec180e (Δ 1.089) — https://brandsweets.com/colors/brands/tinder-com
- **Databricks** — secondary #eb1600 (Δ 1.092) — https://brandsweets.com/colors/brands/databricks-com
- **Marvel** — accent #e62429 (Δ 1.114) — https://brandsweets.com/colors/brands/marvel-com
- **Doordash** — secondary #eb1700 (Δ 1.115) — https://brandsweets.com/colors/brands/doordash-com
- **Vodafone** — primary #e60000 (Δ 1.13) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.13) — https://brandsweets.com/colors/brands/vodafone-com
- **WWE** — secondary #e40707 (Δ 1.162) — https://brandsweets.com/colors/brands/wwe-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.173) — https://brandsweets.com/colors/brands/crowdstrike-com
- **Lenovo** — secondary #e1251b (Δ 1.245) — https://brandsweets.com/colors/brands/lenovo-com
- **Pinterest** — accent #e60023 (Δ 1.421) — https://brandsweets.com/colors/brands/pinterest-com
- **Vercel** — danger #ee0000 (Δ 1.443) — https://brandsweets.com/colors/brands/vercel
- **Walgreens** — secondary #e62600 (Δ 1.51) — https://brandsweets.com/colors/brands/walgreens-com
- **Pinterest** — primary #e40424 (Δ 1.562) — https://brandsweets.com/colors/brands/pinterest-com
- **Toyota** — secondary #e10a1d (Δ 1.637) — https://brandsweets.com/colors/brands/toyota-com
- **Lay's** — accent #df2027 (Δ 1.697) — https://brandsweets.com/colors/brands/lays-com
- **Mattel** — secondary #ee0024 (Δ 1.735) — https://brandsweets.com/colors/brands/mattel-com
- **Formula 1** — secondary #e10600 (Δ 1.767) — https://brandsweets.com/colors/brands/formula1-com
- **Pringles** — secondary #ea002a (Δ 1.767) — https://brandsweets.com/colors/brands/pringles-com
- **Formula 1** — accent #e8002d (Δ 1.987) — 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/e71818-c4a19c-62cb98-2d251f-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: "#e71818" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.