# #ef397f

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

## Values

- Hex: `#ef397f`
- RGB: rgb(239, 57, 127)
- HSL: hsl(337, 85%, 58%)
- OKLCH: oklch(0.64 0.221 3)
- Relative luminance: 0.2281
- Nearest named color: Amor (#ee3377, Δ 1.187) — https://brandsweets.com/colors/amor
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef397f

## Tints & shades

- Tints (toward white): #f04c8b, #f25f97, #f471a3, #f584b0, #f797bc, #f8aac8, #fabdd4, #fbd0e0, #fde3ed, #fef6f9
- Shades (toward black): #ed216f, #de1260, #c61056, #aa0e4a, #920c3f, #7b0a35, #5e0829, #47061f, #2a0312, #130208

## Harmonies

- Complementary: #39efa9
- Analogous: #ef39da, #ef4e39
- Triadic: #7fef39, #397fef
- Split-complementary: #39ef4e, #39daef
- Tetradic: #daef39, #39efa9, #4e39ef

## Colors that go with #ef397f

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 #ef397f: 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), Lido (https://brandsweets.com/palettes/vivid#lido), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #ef397f: 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), Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #ef397f 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] — 5 real palettes, including Dunkin''s brand system and Monzo's brand system put Blue beside #ef397f, 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 #ef397f: 10 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
- **Gold** #ffd700 [pool] — Gold shows up next to #ef397f in 7 real palettes, including Tequila Sunrise and Tabloid, as the accent. Seen in: Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Night Market (https://brandsweets.com/palettes/vivid#night-market), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/gold
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Marvel's brand system and Monzo's brand system put Midnight Blue beside #ef397f, as the supporting colour. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Diner and Crayon Box put Mustard Yellow beside #ef397f, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Lido (https://brandsweets.com/palettes/vivid#lido), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 3.78:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e21262 (4.67:1); AA: background → #1c1c1c (4.51:1); AAA: text → #af0e4c (7.02:1)
- On black (#000000): 5.56:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f2639a (7.03:1)

## 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/ef397f-c49ca7-62cb70-2d201f-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: "#ef397f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.