Color

#90b4ea

#90b4ea
hex#90b4ea
rgbrgb(144, 180, 234)
hslhsl(216, 68%, 74%)
oklchoklch(0.764 0.087 258.3)
Closest name: Adrift on the Nile (#93b8e3)Relative luminance 0.4451

Colors that go with #90b4ea

Charcoal, Goldenrod and Midnight Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eac690

#90e1ea · #9990ea

#ea90b4 · #b4ea90

Split-complementary

Open in tool →

#ea9990 · #e1ea90

#ea90e1 · #eac690 · #90ea99

Contrast

#90b4ea as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #3174d8 as the text (4.55:1)
  • AAA: use #2056a7 as the text (7.12:1)
  • AA: or shift the background to #454545 (4.52:1)
  • AAA: or shift the background to #262626 (7.14:1)
Aaon black
9.9:1passpasspassPasses 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 #90b4ea as the background.

Brands using this color

Fonts for this mood

#90b4ea reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90b4ea
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 #90b4ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90b4ea-9ca7c4-df5f4e-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