# #ec1b04

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

## Values

- Hex: `#ec1b04`
- RGB: rgb(236, 27, 4)
- HSL: hsl(6, 97%, 47%)
- OKLCH: oklch(0.599 0.236 30.3)
- Relative luminance: 0.1863
- Nearest named color: Alarm (#ec0003, Δ 1.096) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ec1b04

## Tints & shades

- Tints (toward white): #fb260e, #fc3c27, #fc5340, #fc6a59, #fd8577, #fd9b90, #feb2aa, #fec9c3, #fedfdc, #fff6f5
- Shades (toward black): #d81903, #bf1603, #ab1303, #971102, #830f02, #690c02, #550a01, #410701, #280501, #140200

## Harmonies

- Complementary: #04d5ec
- Analogous: #ec0461, #ec8f04
- Triadic: #04ec1b, #1b04ec
- Split-complementary: #04ec8f, #0461ec
- Tetradic: #61ec04, #04d5ec, #8f04ec

## Colors that go with #ec1b04

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 #ec1b04: 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 #ec1b04 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Vercel (https://brandsweets.com/colors/brands/vercel), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), 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 #ec1b04 — 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 #ec1b04: 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 #ec1b04 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 #ec1b04, 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 #ec1b04: 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 #ec1b04: 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), L'Oréal (https://brandsweets.com/colors/brands/loreal-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.44:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e71a04 (4.62:1); AA: background → #080808 (4.51:1); AAA: text → #b01403 (7.12:1)
- On black (#000000): 4.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fc6554 (7.13:1)

## Brands using this color

- **Doordash** — secondary #eb1700 (Δ 0.356) — https://brandsweets.com/colors/brands/doordash-com
- **Tinder** — secondary #ec180e (Δ 0.387) — https://brandsweets.com/colors/brands/tinder-com
- **Databricks** — secondary #eb1600 (Δ 0.399) — https://brandsweets.com/colors/brands/databricks-com
- **LG** — secondary #ea1917 (Δ 0.825) — https://brandsweets.com/colors/brands/lg-com
- **Vercel** — danger #ee0000 (Δ 0.996) — https://brandsweets.com/colors/brands/vercel
- **Twitch** — accent #eb0400 (Δ 1.041) — https://brandsweets.com/colors/brands/twitch-tv
- **native Cybersecurity** — secondary #ec0000 (Δ 1.072) — https://brandsweets.com/colors/brands/crowdstrike-com
- **Wired** — secondary #eb0000 (Δ 1.164) — https://brandsweets.com/colors/brands/wired-com
- **Walgreens** — secondary #e62600 (Δ 1.267) — https://brandsweets.com/colors/brands/walgreens-com
- **Gatorade** — secondary #ea0000 (Δ 1.282) — https://brandsweets.com/colors/brands/gatorade-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.511) — https://brandsweets.com/colors/brands/pizzahut-com
- **Vodafone** — primary #e60000 (Δ 1.909) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.909) — https://brandsweets.com/colors/brands/vodafone-com
- **Marvel** — accent #e62429 (Δ 1.922) — https://brandsweets.com/colors/brands/marvel-com
- **Hyundai** — secondary #e63312 (Δ 1.999) — https://brandsweets.com/colors/brands/hyundaiusa-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/ec1b04-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: "#ec1b04" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.