# #e21829

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

## Values

- Hex: `#e21829`
- RGB: rgb(226, 24, 41)
- HSL: hsl(355, 81%, 49%)
- OKLCH: oklch(0.582 0.227 25.4)
- Relative luminance: 0.1698
- Nearest named color: Angry Tomato (#d82029, Δ 1.922) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e21829

## Tints & shades

- Tints (toward white): #e92b3b, #eb4250, #ee5965, #f0707b, #f28790, #f499a1, #f7b1b6, #f9c8cc, #fcdfe1, #fef6f6
- Shades (toward black): #d01625, #b91321, #a6111e, #8f0f1a, #7d0d16, #660b12, #53090f, #3c060b, #2a0407, #120203

## Harmonies

- Complementary: #18e2d1
- Analogous: #e2188e, #e26c18
- Triadic: #29e218, #1829e2
- Split-complementary: #18e26c, #188ee2
- Tetradic: #8ee218, #18e2d1, #6c18e2

## Colors that go with #e21829

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 #e21829: 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 #e21829 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Toyota (https://brandsweets.com/colors/brands/toyota-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Vercel (https://brandsweets.com/colors/brands/vercel). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e21829: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Wired (https://brandsweets.com/colors/brands/wired-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #e21829 in 7 real palettes, including McDonald's's brand system and Wired's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-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 native Cybersecurity's brand system and Doordash's brand system put Blue beside #e21829, as the accent. Seen in: native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Gap (https://brandsweets.com/colors/brands/gap-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e21829: 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), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e21829: 18 real palettes, including Costco's brand system and Netflix's brand system, as the supporting colour. Seen in: Costco (https://brandsweets.com/colors/brands/costco-com), Netflix (https://brandsweets.com/colors/brands/netflix), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e21829: 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): 4.78:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af121f (7.17:1)
- On black (#000000): 4.4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e71829 (4.56:1); AA: background → #fafafa (4.58:1); AAA: text → #ef6b76 (7.03:1)

## Brands using this color

- **Lay's** — accent #df2027 (Δ 0.743) — https://brandsweets.com/colors/brands/lays-com
- **Pinterest** — primary #e40424 (Δ 0.756) — https://brandsweets.com/colors/brands/pinterest-com
- **Toyota** — secondary #e10a1d (Δ 0.967) — https://brandsweets.com/colors/brands/toyota-com
- **Pinterest** — accent #e60023 (Δ 0.981) — https://brandsweets.com/colors/brands/pinterest-com
- **KFC** — primary #e4002b (Δ 1.001) — https://brandsweets.com/colors/brands/kfc-com
- **KFC** — secondary #e4002b (Δ 1.001) — https://brandsweets.com/colors/brands/kfc-com
- **NASCAR** — secondary #e4002b (Δ 1.001) — https://brandsweets.com/colors/brands/nascar-com
- **Walgreens** — primary #e31836 (Δ 1.211) — https://brandsweets.com/colors/brands/walgreens-com
- **Netflix** — primary #e50914 (Δ 1.311) — https://brandsweets.com/colors/brands/netflix
- **Costco** — primary #e31837 (Δ 1.312) — https://brandsweets.com/colors/brands/costco-com
- **Target : Expect More. Pay Less.** — primary #dc142c (Δ 1.372) — https://brandsweets.com/colors/brands/target-com
- **Marvel** — accent #e62429 (Δ 1.391) — https://brandsweets.com/colors/brands/marvel-com
- **Formula 1** — accent #e8002d (Δ 1.393) — https://brandsweets.com/colors/brands/formula1-com
- **Codecademy** — accent #dc2626 (Δ 1.43) — https://brandsweets.com/colors/brands/codecademy-com
- **Pepsi** — secondary #e32934 (Δ 1.452) — https://brandsweets.com/colors/brands/pepsi-com
- **Nintendo** — secondary #e60012 (Δ 1.463) — https://brandsweets.com/colors/brands/nintendo-com
- **Lenovo** — secondary #e1251b (Δ 1.588) — https://brandsweets.com/colors/brands/lenovo-com
- **Pringles** — secondary #ea002a (Δ 1.595) — https://brandsweets.com/colors/brands/pringles-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.599) — https://brandsweets.com/colors/brands/pizzahut-com
- **WWE** — secondary #e40707 (Δ 1.69) — https://brandsweets.com/colors/brands/wwe-com
- **Budweiser** — primary #dc041c (Δ 1.836) — https://brandsweets.com/colors/brands/budweiser-com
- **Wendy's** — primary #dd1438 (Δ 1.901) — https://brandsweets.com/colors/brands/wendys-com
- **Tiffany & Co.** — secondary #e50739 (Δ 1.915) — https://brandsweets.com/colors/brands/tiffany-com
- **AliExpress** — secondary #ea0934 (Δ 1.929) — https://brandsweets.com/colors/brands/aliexpress-com
- **Vodafone** — primary #e60000 (Δ 1.93) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.93) — https://brandsweets.com/colors/brands/vodafone-com
- **Pinterest** — secondary #dd0e0e (Δ 1.946) — https://brandsweets.com/colors/brands/pinterest-com
- **Formula 1** — secondary #e10600 (Δ 1.962) — 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/e21829-c49e9c-62cb8f-2d241f-f1e9ee?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: "#e21829" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.