Color

#90a0bb

#90a0bb
hex#90a0bb
rgbrgb(144, 160, 187)
hslhsl(218, 24%, 65%)
oklchoklch(0.702 0.044 260.9)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3466

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbab90

#90b5bb · #9690bb

#bb90a0 · #a0bb90

Split-complementary

Open in tool →

#bb9690 · #b5bb90

#bb90b5 · #bbab90 · #90bb96

Contrast

#90a0bb as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #61779e as the text (4.53:1)
  • AAA: use #485875 as the text (7.17:1)
  • AA: or shift the background to #363636 (4.56:1)
  • AAA: or shift the background to #121212 (7.08:1)
Aaon black
7.93:1passpasspassPasses 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 #90a0bb as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #90a0bb
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 #90a0bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90a0bb-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