# #e01d10

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

## Values

- Hex: `#e01d10`
- RGB: rgb(224, 29, 16)
- HSL: hsl(4, 87%, 47%)
- OKLCH: oklch(0.578 0.225 29.7)
- Relative luminance: 0.1676
- Nearest named color: Angry Tomato (#d82029, Δ 2.13) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e01d10

## Tints & shades

- Tints (toward white): #ef281a, #f13f32, #f2554a, #f46b62, #f6867e, #f89d96, #f9b3ae, #fbc9c6, #fde0de, #fef6f5
- Shades (toward black): #cd1b0e, #b5180d, #a2150b, #8f130a, #7c1009, #640d07, #510b06, #3e0804, #260503, #130301

## Harmonies

- Complementary: #10d2e0
- Analogous: #e0106a, #e08610
- Triadic: #10e01d, #1d10e0
- Split-complementary: #10e086, #106ae0
- Tetradic: #6ae010, #10d2e0, #8610e0

## Colors that go with #e01d10

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 #e01d10: 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), IHG (https://brandsweets.com/colors/brands/ihg-com), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #e01d10 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: WWE (https://brandsweets.com/colors/brands/wwe-com), Toyota (https://brandsweets.com/colors/brands/toyota-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Vercel (https://brandsweets.com/colors/brands/vercel). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #e01d10 — 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 #e01d10: 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 #e01d10 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 Doordash's brand system and native Cybersecurity's brand system put Blue beside #e01d10, as the accent. Seen in: Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-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 #e01d10: 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 #e01d10: 18 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), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b0170c (7.06:1)
- On black (#000000): 4.35:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e51e10 (4.52:1); AA: background → #f7f7f7 (4.5:1); AAA: text → #f46b62 (7.13:1)

## Brands using this color

- **Lenovo** — secondary #e1251b (Δ 0.779) — https://brandsweets.com/colors/brands/lenovo-com
- **Formula 1** — secondary #e10600 (Δ 1.012) — https://brandsweets.com/colors/brands/formula1-com
- **WWE** — secondary #e40707 (Δ 1.049) — https://brandsweets.com/colors/brands/wwe-com
- **Pinterest** — secondary #dd0e0e (Δ 1.2) — https://brandsweets.com/colors/brands/pinterest-com
- **Netflix** — primary #e50914 (Δ 1.237) — https://brandsweets.com/colors/brands/netflix
- **McDonald's** — secondary #da291c (Δ 1.284) — https://brandsweets.com/colors/brands/mcdonalds-com
- **Lay's** — accent #df2027 (Δ 1.303) — https://brandsweets.com/colors/brands/lays-com
- **Codecademy** — accent #dc2626 (Δ 1.331) — https://brandsweets.com/colors/brands/codecademy-com
- **Toyota** — secondary #e10a1d (Δ 1.344) — https://brandsweets.com/colors/brands/toyota-com
- **Vodafone** — primary #e60000 (Δ 1.375) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.375) — https://brandsweets.com/colors/brands/vodafone-com
- **MAC Cosmetics** — secondary #da1717 (Δ 1.476) — https://brandsweets.com/colors/brands/maccosmetics-com
- **Nintendo** — secondary #e60012 (Δ 1.486) — https://brandsweets.com/colors/brands/nintendo-com
- **JBL** — secondary #df2d00 (Δ 1.644) — https://brandsweets.com/colors/brands/jbl-com
- **Walgreens** — secondary #e62600 (Δ 1.733) — https://brandsweets.com/colors/brands/walgreens-com
- **Pinterest** — primary #e40424 (Δ 1.916) — https://brandsweets.com/colors/brands/pinterest-com
- **Budweiser** — primary #dc041c (Δ 1.93) — https://brandsweets.com/colors/brands/budweiser-com
- **State Farm** — primary #d62311 (Δ 1.932) — https://brandsweets.com/colors/brands/statefarm-com
- **Gatorade** — secondary #ea0000 (Δ 1.946) — https://brandsweets.com/colors/brands/gatorade-com
- **Marvel** — accent #e62429 (Δ 1.991) — https://brandsweets.com/colors/brands/marvel-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/e01d10-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: "#e01d10" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.