Color

#90aeee

#90aeee
hex#90aeee
rgbrgb(144, 174, 238)
hslhsl(221, 73%, 75%)
oklchoklch(0.753 0.099 264.8)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.4237

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eed091

#91ddee · #a291ee

#ee91ae · #aeee91

Split-complementary

Open in tool →

#eea291 · #ddee91

#ee91dd · #eed091 · #91eea2

Contrast

#90aeee as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #3d71e1 as the text (4.52:1)
  • AAA: use #1e50be as the text (7.13:1)
  • AA: or shift the background to #424242 (4.53:1)
  • AAA: or shift the background to #242424 (7:1)
Aaon black
9.47:1passpasspassPasses 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 #90aeee as the background.

Brands using this color

Fonts for this mood

#90aeee reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90aeee
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #90aeee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90aeee-9ca4c4-df6b4e-211f2d-e9eff1?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