# #a31f67

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

## Values

- Hex: `#a31f67`
- RGB: rgb(163, 31, 103)
- HSL: hsl(327, 68%, 38%)
- OKLCH: oklch(0.484 0.177 353.1)
- Relative luminance: 0.0975
- Nearest named color: Fabric of Love (#aa1177, Δ 3.201) — https://brandsweets.com/colors/fabric-of-love
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a31f67

## Tints & shades

- Tints (toward white): #bc2478, #d62988, #db4396, #e05ca5, #e576b3, #ea90c1, #efa9cf, #f4c3de, #f8ddec, #fdf6fa
- Shades (toward black): #961d5f, #851954, #78174c, #671441, #5a1139, #4d0f31, #3c0b26, #2f091e, #1e0613, #11030b

## Harmonies

- Complementary: #1fa35a
- Analogous: #9c1fa3, #a31f26
- Triadic: #67a31f, #1f67a3
- Split-complementary: #26a31f, #1fa39c
- Tetradic: #a39c1f, #1fa35a, #1f26a3

## Colors that go with #a31f67

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

- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #a31f67's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a31f67: 7 real palettes, including Chase's brand system and Ulta Beauty's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #a31f67 in 6 real palettes, including Dunkin''s brand system and Tommy Hilfiger's brand system, as the lead colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Typewriter (https://brandsweets.com/palettes/editorial#typewriter), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony: complementary] — Teal sits directly opposite #a31f67 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/teal
- **Forest Green** #228b22 [harmony, pool: split] — Forest Green is a split-complement of #a31f67: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/forestgreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #a31f67 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #a31f67 in two real palettes: Ember and Maple, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #a31f67: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 7.12:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.95:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d62988 (4.53:1); AA: background → #cfcfcf (4.57:1); AAA: text → #e36dae (7.06:1); AAA: background → #ffffff (7.12:1)

## 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/a31f67-c19fae-66cb62-2d1f21-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: "#a31f67" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.