# #f31bc4

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

## Values

- Hex: `#f31bc4`
- RGB: rgb(243, 27, 196)
- HSL: hsl(313, 90%, 53%)
- OKLCH: oklch(0.657 0.275 340.1)
- Relative luminance: 0.2382
- Nearest named color: Brutal Pink (#ff00bb, Δ 2.692) — https://brandsweets.com/colors/brutal-pink
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f31bc4

## Tints & shades

- Tints (toward white): #f434cb, #f547d0, #f75fd6, #f872db, #f98be1, #fa9ee6, #fbb6ec, #fccaf1, #fde2f8, #fef5fd
- Shades (toward black): #e90cb9, #d00ba6, #b80a92, #a0087f, #8d0770, #74065c, #5c0549, #440436, #2c0223, #13010f

## Harmonies

- Complementary: #1bf34a
- Analogous: #b61bf3, #f31b58
- Triadic: #c4f31b, #1bc4f3
- Split-complementary: #58f31b, #1bf3b6
- Tetradic: #f3b61b, #1bf34a, #1b58f3

## Colors that go with #f31bc4

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

- **Medium Sea Green** #3cb371 [harmony: complementary] — Medium Sea Green sits directly opposite #f31bc4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/mediumseagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #f31bc4: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony: split] — Light Sea Green is a split-complement of #f31bc4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightseagreen
- **Olive Drab** #6b8e23 [harmony: split] — Olive Drab is a split-complement of #f31bc4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olivedrab
- **Crimson** #dc143c [pool] — Crimson is paired with #f31bc4 in two real palettes: 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). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #f31bc4: two real palettes: Maybelline's brand system and Hasbro's brand system, as the accent. Seen in: Maybelline (https://brandsweets.com/colors/brands/maybelline-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Yellow** #ffff00 [pool] — Two real palettes: JetBrains's brand system and Arcade put Yellow beside #f31bc4, as the accent. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Arcade (https://brandsweets.com/palettes/vivid#arcade). — https://brandsweets.com/colors/yellow
- **Dark Goldenrod** #b8860b [harmony: triadic] — Dark Goldenrod completes a triad with #f31bc4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/darkgoldenrod

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

- On white (#ffffff): 3.64:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #da0bad (4.53:1); AA: background → #1f1f1f (4.52:1); AAA: text → #a50983 (7.08:1)
- On black (#000000): 5.76:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f651d2 (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/f31bc4-c19fb5-7ecb62-2d1f24-efe9f1?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: "#f31bc4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.