# #e31c2d

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

## Values

- Hex: `#e31c2d`
- RGB: rgb(227, 28, 45)
- HSL: hsl(355, 78%, 50%)
- OKLCH: oklch(0.585 0.226 25)
- Relative luminance: 0.1735
- Nearest named color: Angry Tomato (#d82029, Δ 2.198) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e31c2d

## Tints & shades

- Tints (toward white): #e63342, #e94957, #eb5c68, #ee727d, #f08992, #f3a0a7, #f6b6bc, #f8c9cd, #fbdfe2, #fef6f7
- Shades (toward black): #cc1928, #ba1725, #a31420, #91121d, #7b0f18, #640c14, #520a10, #3b070c, #290508, #120204

## Harmonies

- Complementary: #1ce3d2
- Analogous: #e31c90, #e36f1c
- Triadic: #2de31c, #1c2de3
- Split-complementary: #1ce36f, #1c90e3
- Tetradic: #90e31c, #1ce3d2, #6f1ce3

## Colors that go with #e31c2d

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 #e31c2d: 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 #e31c2d — 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 #e31c2d: 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 #e31c2d 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 #e31c2d, 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 #e31c2d: 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 #e31c2d: 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 #e31c2d: 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): 4.7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ac1522 (7.28:1)
- On black (#000000): 4.47:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e42131 (4.56:1); AA: background → #fafafa (4.5:1); AAA: text → #ed6e78 (7.1:1)

## Brands using this color

- **Lay's** — accent #df2027 (Δ 0.97) — https://brandsweets.com/colors/brands/lays-com
- **Walgreens** — primary #e31836 (Δ 0.978) — https://brandsweets.com/colors/brands/walgreens-com
- **Pinterest** — primary #e40424 (Δ 1.043) — https://brandsweets.com/colors/brands/pinterest-com
- **Pepsi** — secondary #e32934 (Δ 1.059) — https://brandsweets.com/colors/brands/pepsi-com
- **Costco** — primary #e31837 (Δ 1.077) — https://brandsweets.com/colors/brands/costco-com
- **Marvel** — accent #e62429 (Δ 1.129) — https://brandsweets.com/colors/brands/marvel-com
- **KFC** — primary #e4002b (Δ 1.141) — https://brandsweets.com/colors/brands/kfc-com
- **KFC** — secondary #e4002b (Δ 1.141) — https://brandsweets.com/colors/brands/kfc-com
- **NASCAR** — secondary #e4002b (Δ 1.141) — https://brandsweets.com/colors/brands/nascar-com
- **Pinterest** — accent #e60023 (Δ 1.151) — https://brandsweets.com/colors/brands/pinterest-com
- **Formula 1** — accent #e8002d (Δ 1.292) — https://brandsweets.com/colors/brands/formula1-com
- **Toyota** — secondary #e10a1d (Δ 1.403) — https://brandsweets.com/colors/brands/toyota-com
- **Pizza Hut** — secondary #e91c24 (Δ 1.411) — https://brandsweets.com/colors/brands/pizzahut-com
- **Pringles** — secondary #ea002a (Δ 1.467) — https://brandsweets.com/colors/brands/pringles-com
- **Netflix** — primary #e50914 (Δ 1.582) — https://brandsweets.com/colors/brands/netflix
- **Codecademy** — accent #dc2626 (Δ 1.611) — https://brandsweets.com/colors/brands/codecademy-com
- **AliExpress** — secondary #ea0934 (Δ 1.664) — https://brandsweets.com/colors/brands/aliexpress-com
- **Target : Expect More. Pay Less.** — primary #dc142c (Δ 1.666) — https://brandsweets.com/colors/brands/target-com
- **Lenovo** — secondary #e1251b (Δ 1.697) — https://brandsweets.com/colors/brands/lenovo-com
- **Nintendo** — secondary #e60012 (Δ 1.724) — https://brandsweets.com/colors/brands/nintendo-com
- **Tiffany & Co.** — secondary #e50739 (Δ 1.755) — https://brandsweets.com/colors/brands/tiffany-com
- **Wendy's** — primary #dd1438 (Δ 1.949) — https://brandsweets.com/colors/brands/wendys-com
- **LG** — secondary #ea1917 (Δ 1.972) — https://brandsweets.com/colors/brands/lg-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/e31c2d-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: "#e31c2d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.