# #e15151

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

## Values

- Hex: `#e15151`
- RGB: rgb(225, 81, 81)
- HSL: hsl(0, 71%, 60%)
- OKLCH: oklch(0.63 0.18 23.8)
- Relative luminance: 0.2249
- Nearest named color: Blazing (#e94e41, Δ 2.156) — https://brandsweets.com/colors/blazing
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/e15151

## Tints & shades

- Tints (toward white): #e46262, #e77373, #ea8181, #ed9292, #efa3a3, #f2b5b5, #f5c6c6, #f8d3d3, #fbe5e5, #fef6f6
- Shades (toward black): #dd3636, #d62424, #bc2020, #a61c1c, #8c1818, #711313, #5c1010, #410b0b, #2c0707, #110303

## Harmonies

- Complementary: #51e1e1
- Analogous: #e15199, #e19951
- Triadic: #51e151, #5151e1
- Split-complementary: #51e199, #5199e1
- Tetradic: #99e151, #51e1e1, #9951e1

## Colors that go with #e15151

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #e15151 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #e15151: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Audi (https://brandsweets.com/colors/brands/audi-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e15151: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Substack (https://brandsweets.com/colors/brands/substack-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #e15151 in 8 real palettes, including Google's brand system and Ember, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Ember (https://brandsweets.com/palettes/bold#ember), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Monzo's brand system and Glossier's brand system put Blue beside #e15151, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e15151: 6 real palettes, including NASA's brand system and Walgreens's brand system, as the lead colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Tide (https://brandsweets.com/colors/brands/tide-com), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e15151: 20 real palettes, including Postman's brand system and ElevenLabs's brand system, as the accent. Seen in: Postman (https://brandsweets.com/colors/brands/postman-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #e15151: 8 real palettes, including Google's brand system and Figma's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Figma (https://brandsweets.com/colors/brands/figma), Replit (https://brandsweets.com/colors/brands/replit), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.82:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #dd3636 (4.51:1); AA: background → #1a1a1a (4.56:1); AAA: text → #aa1d1d (7.23:1)
- On black (#000000): 5.5:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #e77373 (7.1:1)

## Brands using this color

- **Roblox** — accent #e75750 (Δ 1.792) — https://brandsweets.com/colors/brands/roblox-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/e15151-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: "#e15151" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.