# #e91c1f

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

## Values

- Hex: `#e91c1f`
- RGB: rgb(233, 28, 31)
- HSL: hsl(359, 82%, 51%)
- OKLCH: oklch(0.595 0.232 27.7)
- Relative luminance: 0.1825
- Nearest named color: Alarm (#ec0003, Δ 1.273) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e91c1f

## Tints & shades

- Tints (toward white): #eb3336, #ed4548, #ef5d5f, #f17476, #f48b8d, #f59e9f, #f8b5b6, #facccd, #fcdfdf, #fef6f6
- Shades (toward black): #d51518, #c31316, #ac1114, #950f11, #820d0f, #6b0b0c, #54080a, #3c0607, #2a0405, #130202

## Harmonies

- Complementary: #1ce9e5
- Analogous: #e91c85, #e97f1c
- Triadic: #1fe91c, #1c1fe9
- Split-complementary: #1ce97f, #1c85e9
- Tetradic: #85e91c, #1ce9e5, #7f1ce9

## Colors that go with #e91c1f

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 #e91c1f: 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), 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 #e91c1f — 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), Vercel (https://brandsweets.com/colors/brands/vercel), WWE (https://brandsweets.com/colors/brands/wwe-com), 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 #e91c1f: 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 #e91c1f 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 #e91c1f, 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 #e91c1f: 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), Behance (https://brandsweets.com/colors/brands/behance-net), Tide (https://brandsweets.com/colors/brands/tide-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e91c1f: 18 real palettes, including Netflix's brand system and Costco's brand system, as the accent. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), Costco (https://brandsweets.com/colors/brands/costco-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e91c1f: 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): 4.52:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b01114 (7.15:1)
- On black (#000000): 4.65:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f16f71 (7.25:1)

## Brands using this color

- **Pizza Hut** — secondary #e91c24 (Δ 0.333) — https://brandsweets.com/colors/brands/pizzahut-com
- **LG** — secondary #ea1917 (Δ 0.433) — https://brandsweets.com/colors/brands/lg-com
- **Marvel** — accent #e62429 (Δ 0.827) — https://brandsweets.com/colors/brands/marvel-com
- **Tinder** — secondary #ec180e (Δ 0.909) — https://brandsweets.com/colors/brands/tinder-com
- **Databricks** — secondary #eb1600 (Δ 1.162) — https://brandsweets.com/colors/brands/databricks-com
- **Doordash** — secondary #eb1700 (Δ 1.172) — https://brandsweets.com/colors/brands/doordash-com
- **Twitch** — accent #eb0400 (Δ 1.26) — https://brandsweets.com/colors/brands/twitch-tv
- **Wired** — secondary #eb0000 (Δ 1.317) — https://brandsweets.com/colors/brands/wired-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.323) — https://brandsweets.com/colors/brands/crowdstrike-com
- **Gatorade** — secondary #ea0000 (Δ 1.342) — https://brandsweets.com/colors/brands/gatorade-com
- **Mattel** — secondary #ee0024 (Δ 1.406) — https://brandsweets.com/colors/brands/mattel-com
- **Netflix** — primary #e50914 (Δ 1.425) — https://brandsweets.com/colors/brands/netflix
- **Vercel** — danger #ee0000 (Δ 1.427) — https://brandsweets.com/colors/brands/vercel
- **Nintendo** — secondary #e60012 (Δ 1.505) — https://brandsweets.com/colors/brands/nintendo-com
- **Lenovo** — secondary #e1251b (Δ 1.599) — https://brandsweets.com/colors/brands/lenovo-com
- **Pringles** — secondary #ea002a (Δ 1.614) — https://brandsweets.com/colors/brands/pringles-com
- **Pinterest** — accent #e60023 (Δ 1.633) — https://brandsweets.com/colors/brands/pinterest-com
- **Walgreens** — secondary #e62600 (Δ 1.692) — https://brandsweets.com/colors/brands/walgreens-com
- **Vodafone** — primary #e60000 (Δ 1.706) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.706) — https://brandsweets.com/colors/brands/vodafone-com
- **WWE** — secondary #e40707 (Δ 1.777) — https://brandsweets.com/colors/brands/wwe-com
- **Pepsi** — secondary #e32934 (Δ 1.811) — https://brandsweets.com/colors/brands/pepsi-com
- **Pinterest** — primary #e40424 (Δ 1.839) — https://brandsweets.com/colors/brands/pinterest-com
- **Formula 1** — accent #e8002d (Δ 1.916) — https://brandsweets.com/colors/brands/formula1-com
- **Lay's** — accent #df2027 (Δ 1.994) — 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/e91c1f-c4a09c-62cb96-2d251f-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: "#e91c1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.