Color

#90bbf3

#90bbf3
hex#90bbf3
rgbrgb(144, 187, 243)
hslhsl(214, 80%, 76%)
oklchoklch(0.782 0.093 255.3)
Closest name: Electric Eel (#88bbee)Relative luminance 0.4794

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3c891

#91ecf3 · #9791f3

#f391bb · #bbf391

Split-complementary

Open in tool →

#f39791 · #ecf391

#f391ec · #f3c891 · #91f397

Contrast

#90bbf3 as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #1972e6 as the text (4.57:1)
  • AAA: use #1354aa as the text (7.3:1)
  • AA: or shift the background to #474747 (4.68:1)
  • AAA: or shift the background to #2b2b2b (7.14:1)
Aaon black
10.59:1passpasspassPasses 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 #90bbf3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#90bbf3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90bbf3
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 #90bbf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90bbf3-9ca9c4-df5a4e-1f1f2d-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