# #ef3478

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

## Values

- Hex: `#ef3478`
- RGB: rgb(239, 52, 120)
- HSL: hsl(338, 85%, 57%)
- OKLCH: oklch(0.634 0.223 5.1)
- Relative luminance: 0.2216
- Nearest named color: Amor (#ee3377, Δ 0.268) — https://brandsweets.com/colors/amor
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef3478

## Tints & shades

- Tints (toward white): #f04785, #f25a92, #f36d9e, #f580ab, #f797ba, #f8aac7, #fabdd3, #fbd0e0, #fde3ec, #fef6f9
- Shades (toward black): #ed1d69, #d9125b, #c11051, #aa0e47, #920c3d, #760a31, #5e0827, #47061e, #2a0312, #130208

## Harmonies

- Complementary: #34efaa
- Analogous: #ef34d6, #ef4d34
- Triadic: #78ef34, #3478ef
- Split-complementary: #34ef4d, #34d6ef
- Tetradic: #d6ef34, #34efaa, #4d34ef

## Colors that go with #ef3478

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 #ef3478: 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), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: analogous] — Orange Red is #ef3478's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Todoist (https://brandsweets.com/colors/brands/todoist-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Reddit (https://brandsweets.com/colors/brands/reddit-com). — https://brandsweets.com/colors/orangered
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #ef3478 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). — https://brandsweets.com/colors/cadetblue
- **Blue** #0000ff [pool] — 7 real palettes, including Dunkin''s brand system and Monzo's brand system put Blue beside #ef3478, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Gap (https://brandsweets.com/colors/brands/gap-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef3478: 11 real palettes, including Maybelline's brand system and Costco's brand system, as the accent. Seen in: Maybelline (https://brandsweets.com/colors/brands/maybelline-com), Costco (https://brandsweets.com/colors/brands/costco-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ef3478: 4 real palettes, including JetBrains's brand system and Google's brand system, as the supporting colour. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Google (https://brandsweets.com/colors/brands/google-com), Databricks (https://brandsweets.com/colors/brands/databricks-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #ef3478: 5 real palettes, including Wendy's's brand system and 3M's brand system, as the supporting colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), 3M (https://brandsweets.com/colors/brands/3m-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/firebrick
- **Gold** #ffd700 [pool] — Gold shows up next to #ef3478 in 7 real palettes, including Tabloid and Tequila Sunrise, as the accent. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Night Market (https://brandsweets.com/palettes/vivid#night-market). — https://brandsweets.com/colors/gold

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

- On white (#ffffff): 3.87:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e71361 (4.5:1); AA: background → #1a1a1a (4.5:1); AAA: text → #af0e49 (7.04:1)
- On black (#000000): 5.43:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f26398 (7.01:1)

## 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/ef3478-c49ca6-62cb72-2d201f-f1e9f0?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: "#ef3478" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.