# #e72a1d

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

## Values

- Hex: `#e72a1d`
- RGB: rgb(231, 42, 29)
- HSL: hsl(4, 81%, 51%)
- OKLCH: oklch(0.599 0.223 29.5)
- Relative luminance: 0.1873
- Nearest named color: Alarm (#ec0003, Δ 2.058) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e72a1d

## Tints & shades

- Tints (toward white): #ea4034, #ec5146, #ee675d, #f07d75, #f3928c, #f5a49e, #f7bab5, #facfcc, #fce1df, #fef6f6
- Shades (toward black): #d42316, #c22014, #ab1c12, #941810, #81150e, #6a110b, #530e09, #3c0a06, #2a0704, #120302

## Harmonies

- Complementary: #1ddae7
- Analogous: #e71d75, #e7901d
- Triadic: #1de72a, #2a1de7
- Split-complementary: #1de790, #1d75e7
- Tetradic: #75e71d, #1ddae7, #901de7

## Colors that go with #e72a1d

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 #e72a1d: 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 #e72a1d — 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 #e72a1d — 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 #e72a1d: 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 #e72a1d 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 #e72a1d, 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 #e72a1d: 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 #e72a1d: 19 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), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.42:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e22518 (4.65:1); AA: background → #080808 (4.53:1); AAA: text → #ab1c12 (7.23:1)
- On black (#000000): 4.75:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ef7067 (7.18:1)

## Brands using this color

- **Walgreens** — secondary #e62600 (Δ 1.077) — https://brandsweets.com/colors/brands/walgreens-com
- **Marvel** — accent #e62429 (Δ 1.186) — https://brandsweets.com/colors/brands/marvel-com
- **LG** — secondary #ea1917 (Δ 1.198) — https://brandsweets.com/colors/brands/lg-com
- **Hyundai** — secondary #e63312 (Δ 1.23) — https://brandsweets.com/colors/brands/hyundaiusa-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.33) — https://brandsweets.com/colors/brands/pizzahut-com
- **Tinder** — secondary #ec180e (Δ 1.346) — https://brandsweets.com/colors/brands/tinder-com
- **Lenovo** — secondary #e1251b (Δ 1.423) — https://brandsweets.com/colors/brands/lenovo-com
- **Doordash** — secondary #eb1700 (Δ 1.429) — https://brandsweets.com/colors/brands/doordash-com
- **Databricks** — secondary #eb1600 (Δ 1.461) — https://brandsweets.com/colors/brands/databricks-com
- **Pizza Hut** — primary #ee3124 (Δ 1.763) — https://brandsweets.com/colors/brands/pizzahut-com
- **Twitch** — accent #eb0400 (Δ 1.962) — https://brandsweets.com/colors/brands/twitch-tv
- **Pepsi** — secondary #e32934 (Δ 1.995) — https://brandsweets.com/colors/brands/pepsi-com
- **JBL** — secondary #df2d00 (Δ 1.999) — https://brandsweets.com/colors/brands/jbl-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/e72a1d-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: "#e72a1d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.