Color

#598ecf

#598ecf
hex#598ecf
rgbrgb(89, 142, 207)
hslhsl(213, 55%, 58%)
oklchoklch(0.638 0.114 254.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2597

Colors that go with #598ecf

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 →

#cf9a59

#59c9cf · #5f59cf

#cf598e · #8ecf59

Split-complementary

Open in tool →

#cf5f59 · #c9cf59

#cf59c9 · #cf9a59 · #59cf5f

Contrast

#598ecf as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #3876c2 as the text (4.63:1)
  • AAA: use #2a5992 as the text (7.14:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.19:1passpassfail
  • AAA: use #6999d3 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 #598ecf as the background.

Brands using this color

Fonts for this mood

#598ecf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #598ecf
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 #598ecf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/598ecf-9ca9c4-df584e-1f202d-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