# #a0b3bb

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

## Values

- Hex: `#a0b3bb`
- RGB: rgb(160, 179, 187)
- HSL: hsl(198, 17%, 68%)
- OKLCH: oklch(0.755 0.024 225)
- Relative luminance: 0.433
- Nearest named color: Casper (#aab5b8, Δ 1.561) — https://brandsweets.com/colors/casper
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a0b3bb

## Tints & shades

- Tints (toward white): #a8bac2, #b1c1c8, #bac8ce, #c3cfd5, #ccd7db, #d5dee1, #dee5e8, #e7ecee, #f0f3f4, #f9fafb
- Shades (toward black): #8ea5af, #7994a0, #688592, #59727d, #4c626b, #3f525a, #313f45, #242e33, #151b1e, #080b0c

## Harmonies

- Complementary: #bba8a0
- Analogous: #a0bbb6, #a0a5bb
- Triadic: #bba0b3, #b3bba0
- Split-complementary: #bba0a5, #bbb6a0
- Tetradic: #b6a0bb, #bba8a0, #a5bba0

## Colors that go with #a0b3bb

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 that reads cleanly against #a0b3bb without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Mercury (https://brandsweets.com/colors/brands/mercury-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Uber's brand system and Lexus's brand system put Blue beside #a0b3bb, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Lexus (https://brandsweets.com/colors/brands/lexus-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Midnight Luxe and Bramble put Champagne beside #a0b3bb, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #a0b3bb: 6 real palettes, including Clean Beauty and Riverbed, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #a0b3bb in 6 real palettes, including Cartier's brand system and Tiffany & Co.'s brand system, as the accent. Seen in: Cartier (https://brandsweets.com/colors/brands/cartier-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #a0b3bb: 4 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Spline (https://brandsweets.com/colors/brands/spline-design), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/dodgerblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #a0b3bb in 4 real palettes, including Pine & Birch and Desert Road, as the lead colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Canopy (https://brandsweets.com/palettes/cool#canopy), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Midnight Blue** #191970 [pool] — 7 real palettes, including First Snow and Open House put Midnight Blue beside #a0b3bb, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Open House (https://brandsweets.com/palettes/clean#open-house), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5f7b86 (4.5:1); AA: background → #424242 (4.62:1); AAA: text → #465a62 (7.24:1); AAA: background → #242424 (7.14:1)
- On black (#000000): 9.66:1 — 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/a0b3bb-9cb3c4-df4e69-1f232d-e9f1f0?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: "#a0b3bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.