# #e31d16

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

## Values

- Hex: `#e31d16`
- RGB: rgb(227, 29, 22)
- HSL: hsl(2, 82%, 49%)
- OKLCH: oklch(0.584 0.227 29)
- Relative luminance: 0.1727
- Nearest named color: Alarm (#ec0003, Δ 1.783) — https://brandsweets.com/colors/alarm
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e31d16

## Tints & shades

- Tints (toward white): #ea302a, #ec4641, #ee5d58, #f1736f, #f38a86, #f59c99, #f7b2b0, #f9c9c7, #fcdfdf, #fef6f6
- Shades (toward black): #d11b15, #ba1812, #a71611, #90130e, #7d100c, #660d0a, #540b08, #3c0806, #2a0504, #130202

## Harmonies

- Complementary: #16dde3
- Analogous: #e31676, #e38416
- Triadic: #16e31d, #1d16e3
- Split-complementary: #16e384, #1676e3
- Tetradic: #76e316, #16dde3, #8416e3

## Colors that go with #e31d16

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 #e31d16: 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 #e31d16 — 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 #e31d16 — 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 #e31d16: 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 #e31d16 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 #e31d16, 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 #e31d16: 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 #e31d16: 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): 4.72:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b01711 (7.05:1)
- On black (#000000): 4.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e81e17 (4.63:1); AA: background → #fafafa (4.52:1); AAA: text → #f06f6a (7.19:1)

## Brands using this color

- **Lenovo** — secondary #e1251b (Δ 0.599) — https://brandsweets.com/colors/brands/lenovo-com
- **Netflix** — primary #e50914 (Δ 0.92) — https://brandsweets.com/colors/brands/netflix
- **WWE** — secondary #e40707 (Δ 0.973) — https://brandsweets.com/colors/brands/wwe-com
- **Nintendo** — secondary #e60012 (Δ 1.176) — https://brandsweets.com/colors/brands/nintendo-com
- **Vodafone** — primary #e60000 (Δ 1.18) — https://brandsweets.com/colors/brands/vodafone-com
- **Vodafone** — accent #e60000 (Δ 1.18) — https://brandsweets.com/colors/brands/vodafone-com
- **Lay's** — accent #df2027 (Δ 1.254) — https://brandsweets.com/colors/brands/lays-com
- **Formula 1** — secondary #e10600 (Δ 1.327) — https://brandsweets.com/colors/brands/formula1-com
- **Toyota** — secondary #e10a1d (Δ 1.358) — https://brandsweets.com/colors/brands/toyota-com
- **LG** — secondary #ea1917 (Δ 1.361) — https://brandsweets.com/colors/brands/lg-com
- **Marvel** — accent #e62429 (Δ 1.395) — https://brandsweets.com/colors/brands/marvel-com
- **Walgreens** — secondary #e62600 (Δ 1.431) — https://brandsweets.com/colors/brands/walgreens-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.488) — https://brandsweets.com/colors/brands/pizzahut-com
- **Gatorade** — secondary #ea0000 (Δ 1.507) — https://brandsweets.com/colors/brands/gatorade-com
- **Codecademy** — accent #dc2626 (Δ 1.524) — https://brandsweets.com/colors/brands/codecademy-com
- **Databricks** — secondary #eb1600 (Δ 1.611) — https://brandsweets.com/colors/brands/databricks-com
- **Twitch** — accent #eb0400 (Δ 1.612) — https://brandsweets.com/colors/brands/twitch-tv
- **Doordash** — secondary #eb1700 (Δ 1.624) — https://brandsweets.com/colors/brands/doordash-com
- **Wired** — secondary #eb0000 (Δ 1.644) — https://brandsweets.com/colors/brands/wired-com
- **Pinterest** — primary #e40424 (Δ 1.65) — https://brandsweets.com/colors/brands/pinterest-com
- **Pinterest** — accent #e60023 (Δ 1.691) — https://brandsweets.com/colors/brands/pinterest-com
- **Pinterest** — secondary #dd0e0e (Δ 1.699) — https://brandsweets.com/colors/brands/pinterest-com
- **McDonald's** — secondary #da291c (Δ 1.741) — https://brandsweets.com/colors/brands/mcdonalds-com
- **Tinder** — secondary #ec180e (Δ 1.745) — https://brandsweets.com/colors/brands/tinder-com
- **native Cybersecurity** — secondary #ec0000 (Δ 1.793) — https://brandsweets.com/colors/brands/crowdstrike-com
- **JBL** — secondary #df2d00 (Δ 1.829) — https://brandsweets.com/colors/brands/jbl-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/e31d16-c4a29c-62cb9c-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: "#e31d16" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.