Color

#90a5f9

#90a5f9
hex#90a5f9
rgbrgb(144, 165, 249)
hslhsl(228, 90%, 77%)
oklchoklch(0.74 0.124 272.4)
Closest name: Widowmaker (#99aaff)Relative luminance 0.3968

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f9e490

#90d9f9 · #af90f9

#f990a5 · #a5f990

Split-complementary

Open in tool →

#f9af90 · #d9f990

#f990d9 · #f9e490 · #90f9af

Contrast

#90a5f9 as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #476af5 as the text (4.52:1)
  • AAA: use #0d3bf2 as the text (7.18:1)
  • AA: or shift the background to #3d3d3d (4.62:1)
  • AAA: or shift the background to #1f1f1f (7.01:1)
Aaon black
8.94:1passpasspassPasses 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 #90a5f9 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

#90a5f9 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #90a5f9
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 #90a5f9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90a5f9-9c9fc4-df7c4e-231f2d-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