# #b1a5bb

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b1a5bb`
- RGB: rgb(177, 165, 187)
- HSL: hsl(273, 14%, 69%)
- OKLCH: oklch(0.739 0.034 309.8)
- Relative luminance: 0.3985
- Nearest named color: Foggy Plum (#b7a5ad, Δ 2.159) — https://brandsweets.com/colors/foggy-plum
- Moods: cool, muted
- Page: https://brandsweets.com/colors/b1a5bb

## Tints & shades

- Tints (toward white): #b9aec2, #c0b6c8, #c8bfcf, #cfc8d5, #d7d0dc, #dcd6e0, #e3dfe7, #ebe8ed, #f2f0f4, #faf9fb
- Shades (toward black): #a293ae, #907f9f, #816e91, #6f5e7d, #60516c, #4e4257, #3e3546, #2c2531, #1c1820, #0a090c

## Harmonies

- Complementary: #afbba5
- Analogous: #a6a5bb, #bba5ba
- Triadic: #bbb1a5, #a5bbb1
- Split-complementary: #babba5, #a5bba6
- Tetradic: #bba6a5, #afbba5, #a5babb

## Colors that go with #b1a5bb

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 text near-black for #b1a5bb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Harbour (https://brandsweets.com/palettes/cool#harbour), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Dark Sea Green** #8fbc8f [harmony, pool: complementary] — Dark Sea Green sits directly opposite #b1a5bb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/darkseagreen
- **Blue** #0000ff [pool] — 5 real palettes, including Lexus's brand system and Uber's brand system put Blue beside #b1a5bb, as the supporting colour. Seen in: Lexus (https://brandsweets.com/colors/brands/lexus-com), Uber (https://brandsweets.com/colors/brands/uber-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #b1a5bb in 4 real palettes, including Chalkboard and Polaroid, as the lead colour. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b1a5bb: 6 real palettes, including Riverbed and Clean Beauty, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #b1a5bb in 4 real palettes, including Cartier's brand system and Casper Sleep's brand system, as the accent. Seen in: Cartier (https://brandsweets.com/colors/brands/cartier-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), JBL (https://brandsweets.com/colors/brands/jbl-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b1a5bb: 4 real palettes, including Open House and Dusk, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #b1a5bb: 4 real palettes, including Spline's brand system and Studio Grey, as the lead colour. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Opensea (https://brandsweets.com/colors/brands/opensea-io), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 2.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #816e91 (4.59:1); AA: background → #3d3d3d (4.64:1); AAA: text → #62536e (7.04:1); AAA: background → #1f1f1f (7.04:1)
- On black (#000000): 8.97:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b1a5bb-b79cc4-c4cb62-2d1f2d-eae9f1?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: "#b1a5bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.