# #ef3491

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

## Values

- Hex: `#ef3491`
- RGB: rgb(239, 52, 145)
- HSL: hsl(330, 85%, 57%)
- OKLCH: oklch(0.642 0.231 356.1)
- Relative luminance: 0.2285
- Nearest named color: Fabulous Fuchsia (#ee1188, Δ 2.722) — https://brandsweets.com/colors/fabulous-fuchsia
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef3491

## Tints & shades

- Tints (toward white): #f0479c, #f25aa6, #f36db0, #f580ba, #f797c7, #f8aad1, #fabddb, #fbd0e6, #fde3f0, #fef6fa
- Shades (toward black): #ed1d85, #d91275, #c11069, #aa0e5c, #920c4f, #760a40, #5e0833, #470626, #2a0317, #13020a

## Harmonies

- Complementary: #34ef91
- Analogous: #ef34ef, #ef3434
- Triadic: #91ef34, #3491ef
- Split-complementary: #34ef34, #34efef
- Tetradic: #efef34, #34ef91, #3434ef

## Colors that go with #ef3491

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 #ef3491 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
- **Crimson** #dc143c [pool] — Crimson is paired with #ef3491 in 4 real palettes, including The Ordinary's brand system and Snyk's brand system, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Snyk (https://brandsweets.com/colors/brands/snyk-io), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Gold** #ffd700 [pool] — Gold shows up next to #ef3491 in 4 real palettes, including Night Market and Tabloid, as the accent. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), 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). — https://brandsweets.com/colors/gold
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #ef3491: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ef3491: 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). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef3491: 3 real palettes, including Maybelline's brand system and Ulta Beauty's brand system, as the accent. Seen in: Maybelline (https://brandsweets.com/colors/brands/maybelline-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #ef3491 in 3 real palettes, including Airbnb's brand system and Dunkin''s brand system, as the text colour against it. Seen in: Airbnb (https://brandsweets.com/colors/brands/airbnb), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), AliExpress (https://brandsweets.com/colors/brands/aliexpress-com). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 3 real palettes, including Night Market and Sunset Boulevard put Tomato beside #ef3491, as the lead colour. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Airbnb (https://brandsweets.com/colors/brands/airbnb). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 3.77:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e2127a (4.56:1); AA: background → #1c1c1c (4.52:1); AAA: text → #aa0e5c (7.18:1)
- On black (#000000): 5.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f263ab (7.15:1)

## Brands using this color

- **T-Mobile** — secondary #f6288f (Δ 1.477) — https://brandsweets.com/colors/brands/t-mobile-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/ef3491-c49cab-62cb64-2d1f20-f1e9f1?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: "#ef3491" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.