Color

#b1d5ec

#b1d5ec
hex#b1d5ec
rgbrgb(177, 213, 236)
hslhsl(203, 61%, 81%)
oklchoklch(0.854 0.05 236.2)
Closest name: Ariel (#aed7ea)Relative luminance 0.6299

Colors that go with #b1d5ec

Charcoal, Dark Salmon and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #b1d5ec

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ecc8b1

#b1ece5 · #b1b8ec

#ecb1d5 · #d5ecb1

Split-complementary

Open in tool →

#ecb1b8 · #ece5b1

#e5b1ec · #ecc8b1 · #b8ecb1

Contrast

#b1d5ec as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #2a7aac as the text (4.69:1)
  • AAA: use #205d83 as the text (7.11:1)
  • AA: or shift the background to #595959 (4.54:1)
  • AAA: or shift the background to #3d3d3d (7.03:1)
Aaon black
13.6:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b1d5ec as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b1d5ec reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1d5ec
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b1d5ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1d5ec-9cb0c4-df4e5d-1f222d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md