# #e7180d

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

## Values

- Hex: `#e7180d`
- RGB: rgb(231, 24, 13)
- HSL: hsl(3, 89%, 48%)
- OKLCH: oklch(0.589 0.233 29.5)
- Relative luminance: 0.1767
- Nearest named color: Alarm (#ec0003, Δ 1.069) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e7180d

## Tints & shades

- Tints (toward white): #f2271c, #f33e35, #f5554d, #f66c65, #f7837d, #f99a95, #fab1ad, #fcc8c5, #fddfdd, #fef6f5
- Shades (toward black): #d4160c, #bc140b, #a9120a, #910f08, #7d0d07, #6a0b06, #520905, #3f0704, #270402, #130201

## Harmonies

- Complementary: #0ddce7
- Analogous: #e70d70, #e7850d
- Triadic: #0de718, #180de7
- Split-complementary: #0de785, #0d70e7
- Tetradic: #70e70d, #0ddce7, #850de7

## Colors that go with #e7180d

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 #e7180d: 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 #e7180d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: WWE (https://brandsweets.com/colors/brands/wwe-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-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 #e7180d — 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 #e7180d: 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 #e7180d 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 #e7180d, 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 #e7180d: 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 #e7180d: 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

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

- On white (#ffffff): 4.63:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b2130a (7.02:1)
- On black (#000000): 4.53:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f66760 (7.03:1)

## Brands using this color

- **LG** — secondary #ea1917 (Δ 0.752) — https://brandsweets.com/colors/brands/lg-com
- **Databricks** — secondary #eb1600 (Δ 0.836) — https://brandsweets.com/colors/brands/databricks-com
- **Doordash** — secondary #eb1700 (Δ 0.856) — https://brandsweets.com/colors/brands/doordash-com
- **Gatorade** — secondary #ea0000 (Δ 0.869) — https://brandsweets.com/colors/brands/gatorade-com
- **Twitch** — accent #eb0400 (Δ 0.887) — https://brandsweets.com/colors/brands/twitch-tv
- **Wired** — secondary #eb0000 (Δ 0.951) — https://brandsweets.com/colors/brands/wired-com
- **Vodafone** — primary #e60000 (Δ 0.998) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 0.998) — https://brandsweets.com/colors/brands/vodafone-com
- **Netflix** — primary #e50914 (Δ 1.001) — https://brandsweets.com/colors/brands/netflix
- **Tinder** — secondary #ec180e (Δ 1.017) — https://brandsweets.com/colors/brands/tinder-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.067) — https://brandsweets.com/colors/brands/crowdstrike-com
- **WWE** — secondary #e40707 (Δ 1.086) — https://brandsweets.com/colors/brands/wwe-com
- **Nintendo** — secondary #e60012 (Δ 1.119) — https://brandsweets.com/colors/brands/nintendo-com
- **Walgreens** — secondary #e62600 (Δ 1.179) — https://brandsweets.com/colors/brands/walgreens-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.24) — https://brandsweets.com/colors/brands/pizzahut-com
- **Lenovo** — secondary #e1251b (Δ 1.255) — https://brandsweets.com/colors/brands/lenovo-com
- **Vercel** — danger #ee0000 (Δ 1.363) — https://brandsweets.com/colors/brands/vercel
- **Marvel** — accent #e62429 (Δ 1.483) — https://brandsweets.com/colors/brands/marvel-com
- **Formula 1** — secondary #e10600 (Δ 1.657) — https://brandsweets.com/colors/brands/formula1-com
- **Pinterest** — accent #e60023 (Δ 1.783) — https://brandsweets.com/colors/brands/pinterest-com
- **Toyota** — secondary #e10a1d (Δ 1.832) — https://brandsweets.com/colors/brands/toyota-com
- **Pinterest** — primary #e40424 (Δ 1.905) — https://brandsweets.com/colors/brands/pinterest-com
- **Lay's** — accent #df2027 (Δ 1.949) — https://brandsweets.com/colors/brands/lays-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/e7180d-c4a39c-62cb9d-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: "#e7180d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.