Color

#b5d8ee

#b5d8ee
hex#b5d8ee
rgbrgb(181, 216, 238)
hslhsl(203, 63%, 82%)
oklchoklch(0.864 0.048 235.7)
Closest name: Ariel (#aed7ea)Relative luminance 0.6511

Colors that go with #b5d8ee

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 #b5d8ee

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eecab4

#b4eee7 · #b4bbee

#eeb4d8 · #d8eeb4

Split-complementary

Open in tool →

#eeb4bb · #eee7b4

#e7b4ee · #eecab4 · #bbeeb4

Contrast

#b5d8ee as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #287baf as the text (4.62:1)
  • AAA: use #1e5e85 as the text (7.01:1)
  • AA: or shift the background to #595959 (4.68:1)
  • AAA: or shift the background to #3d3d3d (7.25:1)
Aaon black
14.02:1passpasspassPasses 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 #b5d8ee as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b5d8ee reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5d8ee
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 #b5d8ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5d8ee-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