# #ea1f10

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

## Values

- Hex: `#ea1f10`
- RGB: rgb(234, 31, 16)
- HSL: hsl(4, 87%, 49%)
- OKLCH: oklch(0.598 0.232 29.8)
- Relative luminance: 0.1851
- Nearest named color: Alarm (#ec0003, Δ 1.215) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ea1f10

## Tints & shades

- Tints (toward white): #f03124, #f1483b, #f35e53, #f5746b, #f68b83, #f89d96, #f9b3ae, #fbc9c6, #fde0de, #fef6f5
- Shades (toward black): #d71c0f, #bf190d, #ac170c, #94130a, #811109, #690e07, #560b06, #3e0804, #2b0603, #130301

## Harmonies

- Complementary: #10dbea
- Analogous: #ea106e, #ea8b10
- Triadic: #10ea1f, #1f10ea
- Split-complementary: #10ea8b, #106eea
- Tetradic: #6eea10, #10dbea, #8b10ea

## Colors that go with #ea1f10

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 #ea1f10: 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), Logitech (https://brandsweets.com/colors/brands/logitech-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 #ea1f10 — 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
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #ea1f10 — 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 #ea1f10: 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 #ea1f10 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), 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 #ea1f10, 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 #ea1f10: 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 #ea1f10: 19 real palettes, including Netflix's brand system and ElevenLabs's brand system, as the accent. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.47:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e51e10 (4.64:1); AA: background → #050505 (4.56:1); AAA: text → #b0170c (7.06:1)
- On black (#000000): 4.7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f46b62 (7.13:1)

## Brands using this color

- **Tinder** — secondary #ec180e (Δ 0.479) — https://brandsweets.com/colors/brands/tinder-com
- **Doordash** — secondary #eb1700 (Δ 0.534) — https://brandsweets.com/colors/brands/doordash-com
- **Databricks** — secondary #eb1600 (Δ 0.566) — https://brandsweets.com/colors/brands/databricks-com
- **LG** — secondary #ea1917 (Δ 0.575) — https://brandsweets.com/colors/brands/lg-com
- **Walgreens** — secondary #e62600 (Δ 1.057) — https://brandsweets.com/colors/brands/walgreens-com
- **Twitch** — accent #eb0400 (Δ 1.13) — https://brandsweets.com/colors/brands/twitch-tv
- **Pizza Hut** — secondary #e91c24 (Δ 1.189) — https://brandsweets.com/colors/brands/pizzahut-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.211) — https://brandsweets.com/colors/brands/crowdstrike-com
- **Vercel** — danger #ee0000 (Δ 1.245) — https://brandsweets.com/colors/brands/vercel
- **Wired** — secondary #eb0000 (Δ 1.246) — https://brandsweets.com/colors/brands/wired-com
- **Gatorade** — secondary #ea0000 (Δ 1.312) — https://brandsweets.com/colors/brands/gatorade-com
- **Marvel** — accent #e62429 (Δ 1.5) — https://brandsweets.com/colors/brands/marvel-com
- **Lenovo** — secondary #e1251b (Δ 1.732) — https://brandsweets.com/colors/brands/lenovo-com
- **Hyundai** — secondary #e63312 (Δ 1.789) — https://brandsweets.com/colors/brands/hyundaiusa-com
- **Netflix** — primary #e50914 (Δ 1.801) — https://brandsweets.com/colors/brands/netflix
- **Vodafone** — primary #e60000 (Δ 1.801) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.801) — https://brandsweets.com/colors/brands/vodafone-com
- **Nintendo** — secondary #e60012 (Δ 1.88) — https://brandsweets.com/colors/brands/nintendo-com
- **WWE** — secondary #e40707 (Δ 1.947) — https://brandsweets.com/colors/brands/wwe-com
- **Mattel** — secondary #ee0024 (Δ 2) — https://brandsweets.com/colors/brands/mattel-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/ea1f10-c4a39c-62cb9f-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: "#ea1f10" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.