# #fc31b1

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

## Values

- Hex: `#fc31b1`
- RGB: rgb(252, 49, 177)
- HSL: hsl(322, 97%, 59%)
- OKLCH: oklch(0.673 0.256 348.1)
- Relative luminance: 0.2607
- Nearest named color: Brutal Pink (#ff00bb, Δ 3.18) — https://brandsweets.com/colors/brutal-pink
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fc31b1

## Tints & shades

- Tints (toward white): #fc45b9, #fc59c1, #fd6dc8, #fd81d0, #fd96d7, #fea5dd, #feb9e5, #fecdec, #ffe1f4, #fff5fb
- Shades (toward black): #fb18a8, #f1049a, #d8038a, #ba0377, #a10267, #830253, #690243, #4b0130, #320120, #14000d

## Harmonies

- Complementary: #31fc7b
- Analogous: #e131fc, #fc314c
- Triadic: #b1fc31, #31b1fc
- Split-complementary: #4cfc31, #31fce1
- Tetradic: #fce131, #31fc7b, #314cfc

## Colors that go with #fc31b1

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, pool: complementary] — Medium Sea Green sits directly opposite #fc31b1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Tomato** #ff6347 [harmony, pool: analogous] — Tomato is #fc31b1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard). — https://brandsweets.com/colors/tomato
- **Light Sea Green** #20b2aa [harmony: split] — Light Sea Green is a split-complement of #fc31b1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightseagreen
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #fc31b1: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Yellow** #ffff00 [pool] — Two real palettes: JetBrains's brand system and Arcade put Yellow beside #fc31b1, 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 #fc31b1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/darkgoldenrod
- **Cadet Blue** #5f9ea0 [harmony: triadic] — Cadet Blue completes a triad with #fc31b1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/cadetblue
- **Aqua** #00ffff [pool] — Arcade puts Aqua beside #fc31b1, as the supporting colour. Seen in: Arcade (https://brandsweets.com/palettes/vivid#arcade). — https://brandsweets.com/colors/aqua

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

- On white (#ffffff): 3.38:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e20390 (4.52:1); AA: background → #242424 (4.59:1); AAA: text → #ab036d (7.08:1)
- On black (#000000): 6.21:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fc54bf (7.16:1)

## Curated palettes containing it

- **Night Market** (neon, vivid, dark, warm) — #ff5f1f, #ff2fb3, #ffd400, #120b14, #fff1e6 — Orange, magenta and yellow neon on aubergine-black — the street-sign palette for food, nightlife and events. — tool: https://brandsweets.com/palettes/new/ff5f1f-ff2fb3-ffd400-120b14-fff1e6 — collection: https://brandsweets.com/palettes/neon

## 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/fc31b1-c19fb1-6ecb62-2d1f22-f0e9f1?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: "#fc31b1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.