# #e50b33

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

## Values

- Hex: `#e50b33`
- RGB: rgb(229, 11, 51)
- HSL: hsl(349, 91%, 47%)
- OKLCH: oklch(0.584 0.232 22.6)
- Relative luminance: 0.1714
- Nearest named color: Barberry (#ee1133, Δ 1.934) — https://brandsweets.com/colors/barberry
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e50b33

## Tints & shades

- Tints (toward white): #f4153e, #f52e52, #f64666, #f75e7a, #f97b92, #fa94a7, #fbacbb, #fcc5cf, #fddde3, #fff5f7
- Shades (toward black): #d10a2e, #b90929, #a60825, #920720, #7f061c, #660517, #530412, #3f030e, #270209, #130104

## Harmonies

- Complementary: #0be5bd
- Analogous: #e50ba0, #e5500b
- Triadic: #33e50b, #0b33e5
- Split-complementary: #0be550, #0ba0e5
- Tetradic: #a0e50b, #0be5bd, #500be5

## Colors that go with #e50b33

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 #e50b33: 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 #e50b33 — 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 #e50b33: 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 #e50b33 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 native Cybersecurity's brand system and Doordash's brand system put Blue beside #e50b33, 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 #e50b33: 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 #e50b33: 18 real palettes, including Costco's brand system and Target : Expect More. Pay Less.'s brand system, as the supporting colour. Seen in: Costco (https://brandsweets.com/colors/brands/costco-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Netflix (https://brandsweets.com/colors/brands/netflix), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e50b33: 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), Figma (https://brandsweets.com/colors/brands/figma), Replit (https://brandsweets.com/colors/brands/replit). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 4.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af0827 (7.27:1)
- On black (#000000): 4.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ea0b34 (4.6:1); AA: background → #fafafa (4.54:1); AAA: text → #f8637e (7.08:1)

## Brands using this color

- **Walgreens** — primary #e31836 (Δ 0.579) — https://brandsweets.com/colors/brands/walgreens-com
- **Costco** — primary #e31837 (Δ 0.603) — https://brandsweets.com/colors/brands/costco-com
- **Tiffany & Co.** — secondary #e50739 (Δ 0.669) — https://brandsweets.com/colors/brands/tiffany-com
- **Formula 1** — accent #e8002d (Δ 0.728) — https://brandsweets.com/colors/brands/formula1-com
- **KFC** — primary #e4002b (Δ 0.756) — https://brandsweets.com/colors/brands/kfc-com
- **KFC** — secondary #e4002b (Δ 0.756) — https://brandsweets.com/colors/brands/kfc-com
- **NASCAR** — secondary #e4002b (Δ 0.756) — https://brandsweets.com/colors/brands/nascar-com
- **AliExpress** — secondary #ea0934 (Δ 1.005) — https://brandsweets.com/colors/brands/aliexpress-com
- **Pringles** — secondary #ea002a (Δ 1.182) — https://brandsweets.com/colors/brands/pringles-com
- **Pinterest** — primary #e40424 (Δ 1.257) — https://brandsweets.com/colors/brands/pinterest-com
- **Pinterest** — accent #e60023 (Δ 1.278) — https://brandsweets.com/colors/brands/pinterest-com
- **Wendy's** — primary #dd1438 (Δ 1.598) — https://brandsweets.com/colors/brands/wendys-com
- **Pepsi** — secondary #e32934 (Δ 1.845) — https://brandsweets.com/colors/brands/pepsi-com
- **Target : Expect More. Pay Less.** — primary #dc142c (Δ 1.897) — https://brandsweets.com/colors/brands/target-com
- **Toyota** — secondary #e10a1d (Δ 1.944) — https://brandsweets.com/colors/brands/toyota-com
- **Lay's** — accent #df2027 (Δ 1.973) — https://brandsweets.com/colors/brands/lays-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/e50b33-c49c9f-62cb85-2d231f-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: "#e50b33" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.