Color

#b1d4e7

#b1d4e7
hex#b1d4e7
rgbrgb(177, 212, 231)
hslhsl(201, 53%, 80%)
oklchoklch(0.851 0.046 231.7)
Closest name: Ariel (#aed7ea)Relative luminance 0.622

Colors that go with #b1d4e7

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 #b1d4e7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7c4b1

#b1e7df · #b1b9e7

#e7b1d4 · #d4e7b1

Split-complementary

Open in tool →

#e7b1b9 · #e7dfb1

#dfb1e7 · #e7c4b1 · #b9e7b1

Contrast

#b1d4e7 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #327ca4 as the text (4.61:1)
  • AAA: use #255c79 as the text (7.28:1)
  • AA: or shift the background to #575757 (4.62:1)
  • AAA: or shift the background to #3b3b3b (7.17:1)
Aaon black
13.44:1passpasspassPasses 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 #b1d4e7 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b1d4e7 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1d4e7
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 #b1d4e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1d4e7-9cb1c4-df4e62-1f222d-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