Color

#90a5bb

#90a5bb
hex#90a5bb
rgbrgb(144, 165, 187)
hslhsl(211, 24%, 65%)
oklchoklch(0.713 0.04 249.6)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3643

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bba690

#90babb · #9190bb

#bb90a5 · #a5bb90

Split-complementary

Open in tool →

#bb9190 · #babb90

#bb90ba · #bba690 · #90bb91

Contrast

#90a5bb as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #5d7998 as the text (4.51:1)
  • AAA: use #465b72 as the text (7:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.07:1)
Aaon black
8.29:1passpasspassPasses 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 #90a5bb 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 #90a5bb
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 #90a5bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90a5bb-9cabc4-df534e-1f202d-e9f1f1?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