# #e71d20

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

## Values

- Hex: `#e71d20`
- RGB: rgb(231, 29, 32)
- HSL: hsl(359, 81%, 51%)
- OKLCH: oklch(0.592 0.23 27.6)
- Relative luminance: 0.1797
- Nearest named color: Alarm (#ec0003, Δ 1.45) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e71d20

## Tints & shades

- Tints (toward white): #ea3437, #ec4649, #ee5d60, #f07577, #f38c8d, #f59ea0, #f7b5b6, #facccd, #fcdfdf, #fef6f6
- Shades (toward black): #d41619, #c21417, #ab1214, #941012, #810e0f, #6a0b0d, #53090a, #3c0607, #2a0405, #120202

## Harmonies

- Complementary: #1de7e4
- Analogous: #e71d85, #e77f1d
- Triadic: #20e71d, #1d20e7
- Split-complementary: #1de77f, #1d85e7
- Tetradic: #85e71d, #1de7e4, #7f1de7

## Colors that go with #e71d20

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 #e71d20: 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 #e71d20 — 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), WWE (https://brandsweets.com/colors/brands/wwe-com), Vercel (https://brandsweets.com/colors/brands/vercel), 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 #e71d20: 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 #e71d20 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 #e71d20, 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 #e71d20: 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 #e71d20: 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), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e71d20: 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): 4.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af1215 (7.19:1)
- On black (#000000): 4.59:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f07072 (7.27:1)

## Brands using this color

- **Pizza Hut** — secondary #e91c24 (Δ 0.489) — https://brandsweets.com/colors/brands/pizzahut-com
- **Marvel** — accent #e62429 (Δ 0.66) — https://brandsweets.com/colors/brands/marvel-com
- **LG** — secondary #ea1917 (Δ 0.698) — https://brandsweets.com/colors/brands/lg-com
- **Netflix** — primary #e50914 (Δ 1.2) — https://brandsweets.com/colors/brands/netflix
- **Tinder** — secondary #ec180e (Δ 1.204) — https://brandsweets.com/colors/brands/tinder-com
- **Lenovo** — secondary #e1251b (Δ 1.272) — https://brandsweets.com/colors/brands/lenovo-com
- **Nintendo** — secondary #e60012 (Δ 1.336) — https://brandsweets.com/colors/brands/nintendo-com
- **Databricks** — secondary #eb1600 (Δ 1.351) — https://brandsweets.com/colors/brands/databricks-com
- **Doordash** — secondary #eb1700 (Δ 1.363) — https://brandsweets.com/colors/brands/doordash-com
- **Twitch** — accent #eb0400 (Δ 1.394) — https://brandsweets.com/colors/brands/twitch-tv
- **Gatorade** — secondary #ea0000 (Δ 1.407) — https://brandsweets.com/colors/brands/gatorade-com
- **Wired** — secondary #eb0000 (Δ 1.438) — https://brandsweets.com/colors/brands/wired-com
- **Pinterest** — accent #e60023 (Δ 1.455) — https://brandsweets.com/colors/brands/pinterest-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.496) — https://brandsweets.com/colors/brands/crowdstrike-com
- **WWE** — secondary #e40707 (Δ 1.559) — https://brandsweets.com/colors/brands/wwe-com
- **Vodafone** — primary #e60000 (Δ 1.571) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.571) — https://brandsweets.com/colors/brands/vodafone-com
- **Pinterest** — primary #e40424 (Δ 1.594) — https://brandsweets.com/colors/brands/pinterest-com
- **Pepsi** — secondary #e32934 (Δ 1.61) — https://brandsweets.com/colors/brands/pepsi-com
- **Lay's** — accent #df2027 (Δ 1.611) — https://brandsweets.com/colors/brands/lays-com
- **Pringles** — secondary #ea002a (Δ 1.627) — https://brandsweets.com/colors/brands/pringles-com
- **Mattel** — secondary #ee0024 (Δ 1.634) — https://brandsweets.com/colors/brands/mattel-com
- **Walgreens** — secondary #e62600 (Δ 1.666) — https://brandsweets.com/colors/brands/walgreens-com
- **Vercel** — danger #ee0000 (Δ 1.683) — https://brandsweets.com/colors/brands/vercel
- **Toyota** — secondary #e10a1d (Δ 1.79) — https://brandsweets.com/colors/brands/toyota-com
- **Formula 1** — accent #e8002d (Δ 1.839) — https://brandsweets.com/colors/brands/formula1-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/e71d20-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: "#e71d20" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.