Color

#90afe4

#90afe4
hex#90afe4
rgbrgb(144, 175, 228)
hslhsl(218, 61%, 73%)
oklchoklch(0.751 0.084 261)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.4219

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4c590

#90d9e4 · #9b90e4

#e490af · #afe490

Split-complementary

Open in tool →

#e49b90 · #d9e490

#e490d9 · #e4c590 · #90e49b

Contrast

#90afe4 as textRatioAAAA largeAAAFix
Aaon white
2.23:1failfailfail
  • AA: use #3e74d0 as the text (4.55:1)
  • AAA: use #2855a4 as the text (7.18:1)
  • AA: or shift the background to #424242 (4.52:1)
  • AAA: or shift the background to #212121 (7.24:1)
Aaon black
9.44:1passpasspassPasses 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 #90afe4 as the background.

Brands using this color

Fonts for this mood

#90afe4 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90afe4
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 #90afe4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90afe4-9ca6c4-df644e-201f2d-e9f0f1?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