# #a5b8bb

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

## Values

- Hex: `#a5b8bb`
- RGB: rgb(165, 184, 187)
- HSL: hsl(188, 14%, 69%)
- OKLCH: oklch(0.769 0.021 208.1)
- Relative luminance: 0.4587
- Nearest named color: Casper (#aab5b8, Δ 0.938) — https://brandsweets.com/colors/casper
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a5b8bb

## Tints & shades

- Tints (toward white): #aebfc2, #b6c6c8, #bfcdcf, #c8d4d5, #d0dadc, #d6dfe0, #dfe6e7, #e8eded, #f0f4f4, #f9fafb
- Shades (toward black): #93aaae, #7f9a9f, #6e8d91, #5e797d, #51686c, #425457, #354346, #253031, #181f20, #090b0c

## Harmonies

- Complementary: #bba8a5
- Analogous: #a5bbb3, #a5adbb
- Triadic: #bba5b8, #b8bba5
- Split-complementary: #bba5ad, #bbb3a5
- Tetradic: #b3a5bb, #bba8a5, #adbba5

## Colors that go with #a5b8bb

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 #a5b8bb without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Coastal (https://brandsweets.com/palettes/cool#coastal), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Uber's brand system and Lexus's brand system put Blue beside #a5b8bb, 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] — 5 real palettes, including Midnight Luxe and Bramble put Champagne beside #a5b8bb, 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 #a5b8bb: 6 real palettes, including Clean Beauty and Desert Road, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #a5b8bb 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #a5b8bb: 6 real palettes, including Max's brand system and Calm's brand system, as the supporting colour. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Calm (https://brandsweets.com/colors/brands/calm-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #a5b8bb 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] — 6 real palettes, including First Snow and Open House put Midnight Blue beside #a5b8bb, 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): 2.06:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5e797d (4.66:1); AA: background → #474747 (4.5:1); AAA: text → #465a5d (7.29:1); AAA: background → #292929 (7.05:1)
- On black (#000000): 10.17:1 — 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/a5b8bb-a2b7be-df4e81-1f252d-e9f1ee?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: "#a5b8bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.