Color

#0590cc

#0590cc
hex#0590cc
rgbrgb(5, 144, 204)
hslhsl(198, 95%, 41%)
oklchoklch(0.619 0.134 237.1)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2434

Colors that go with #0590cc

Charcoal, Red and Copper 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 →

#cc4105

#05cca4 · #052dcc

#cc0590 · #90cc05

Split-complementary

Open in tool →

#cc052d · #cca405

#a405cc · #cc4105 · #2dcc05

Contrast

#0590cc as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #047bae as the text (4.72:1)
  • AAA: use #035f86 as the text (7.04:1)
  • AA: or shift the background to #1f1f1f (4.61:1)
Aaon black
5.87:1passpassfail
  • AAA: use #06a2e5 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0590cc as the background.

Brands using this color

Fonts for this mood

#0590cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0590cc
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 #0590cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0590cc-9cb3c4-df4e69-1f232d-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