Color

#5490bb

#5490bb
hex#5490bb
rgbrgb(84, 144, 187)
hslhsl(205, 43%, 53%)
oklchoklch(0.63 0.09 241.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2542

Colors that go with #5490bb

Charcoal, Copper 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 →

#bb7f54

#54bbb2 · #545cbb

#bb5490 · #90bb54

Split-complementary

Open in tool →

#bb545c · #bbb254

#b254bb · #bb7f54 · #5cbb54

Contrast

#5490bb as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #417ba4 as the text (4.57:1)
  • AAA: use #315d7c as the text (7.03:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #669cc2 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5490bb 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

#5490bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5490bb
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 #5490bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5490bb-9cafc4-df4e58-1f212d-e9f1f0?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