Color

#90baf3

#90baf3
hex#90baf3
rgbrgb(144, 186, 243)
hslhsl(215, 80%, 76%)
oklchoklch(0.78 0.094 256.2)
Closest name: Electric Eel (#88bbee)Relative luminance 0.4752

Colors that go with #90baf3

Charcoal, Goldenrod 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3ca91

#91ebf3 · #9991f3

#f391ba · #baf391

Split-complementary

Open in tool →

#f39991 · #ebf391

#f391eb · #f3ca91 · #91f399

Contrast

#90baf3 as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #1e71e6 as the text (4.61:1)
  • AAA: use #1354ae as the text (7.22:1)
  • AA: or shift the background to #474747 (4.65:1)
  • AAA: or shift the background to #2b2b2b (7.08:1)
Aaon black
10.5:1passpasspassPasses 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 #90baf3 as the background.

Brands using this color

Fonts for this mood

#90baf3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90baf3
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 #90baf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90baf3-9ca8c4-df5d4e-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