# #e10e0e

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

## Values

- Hex: `#e10e0e`
- RGB: rgb(225, 14, 14)
- HSL: hsl(0, 88%, 47%)
- OKLCH: oklch(0.575 0.231 28.8)
- Relative luminance: 0.1635
- Nearest named color: Alarm (#ec0003, Δ 2.13) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e10e0e

## Tints & shades

- Tints (toward white): #f01919, #f23131, #f34949, #f56161, #f77e7e, #f89696, #faaeae, #fbc5c5, #fddddd, #fef5f5
- Shades (toward black): #ce0d0d, #b60c0c, #a30a0a, #900909, #7d0808, #650606, #510505, #3e0404, #260202, #130101

## Harmonies

- Complementary: #0ee1e1
- Analogous: #e10e78, #e1780e
- Triadic: #0ee10e, #0e0ee1
- Split-complementary: #0ee178, #0e78e1
- Tetradic: #78e10e, #0ee1e1, #780ee1

## Colors that go with #e10e0e

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 #e10e0e: 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 #e10e0e — 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 #e10e0e — 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 #e10e0e: 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), Honda (https://brandsweets.com/colors/brands/honda-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #e10e0e 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 #e10e0e, 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 #e10e0e: 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 #e10e0e: 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), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.92:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b10b0b (7.19:1)
- On black (#000000): 4.27:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #eb0f0f (4.61:1); AA: background → #f5f5f5 (4.51:1); AAA: text → #f66a6a (7.19:1)

## Brands using this color

- **Formula 1** — secondary #e10600 (Δ 0.429) — https://brandsweets.com/colors/brands/formula1-com
- **WWE** — secondary #e40707 (Δ 0.582) — https://brandsweets.com/colors/brands/wwe-com
- **Toyota** — secondary #e10a1d (Δ 0.807) — https://brandsweets.com/colors/brands/toyota-com
- **Pinterest** — secondary #dd0e0e (Δ 0.823) — https://brandsweets.com/colors/brands/pinterest-com
- **Netflix** — primary #e50914 (Δ 0.84) — https://brandsweets.com/colors/brands/netflix
- **Vodafone** — primary #e60000 (Δ 0.979) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 0.979) — https://brandsweets.com/colors/brands/vodafone-com
- **Nintendo** — secondary #e60012 (Δ 1.011) — https://brandsweets.com/colors/brands/nintendo-com
- **MAC Cosmetics** — secondary #da1717 (Δ 1.354) — https://brandsweets.com/colors/brands/maccosmetics-com
- **Lenovo** — secondary #e1251b (Δ 1.413) — https://brandsweets.com/colors/brands/lenovo-com
- **Lay's** — accent #df2027 (Δ 1.428) — https://brandsweets.com/colors/brands/lays-com
- **Budweiser** — primary #dc041c (Δ 1.44) — https://brandsweets.com/colors/brands/budweiser-com
- **Pinterest** — primary #e40424 (Δ 1.464) — https://brandsweets.com/colors/brands/pinterest-com
- **Pinterest** — accent #e60023 (Δ 1.624) — https://brandsweets.com/colors/brands/pinterest-com
- **Codecademy** — accent #dc2626 (Δ 1.689) — https://brandsweets.com/colors/brands/codecademy-com
- **Gatorade** — secondary #ea0000 (Δ 1.739) — https://brandsweets.com/colors/brands/gatorade-com
- **McDonald's** — secondary #da291c (Δ 1.852) — https://brandsweets.com/colors/brands/mcdonalds-com
- **Wired** — secondary #eb0000 (Δ 1.937) — https://brandsweets.com/colors/brands/wired-com
- **Twitch** — accent #eb0400 (Δ 1.966) — https://brandsweets.com/colors/brands/twitch-tv

## 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/e10e0e-c4a19c-62cb98-2d251f-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: "#e10e0e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.