Color

#598bc5

#598bc5
hex#598bc5
rgbrgb(89, 139, 197)
hslhsl(212, 48%, 56%)
oklchoklch(0.626 0.103 253)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2462

Colors that go with #598bc5

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 →

#c59259

#59c1c5 · #5d59c5

#c5598b · #8bc559

Split-complementary

Open in tool →

#c55d59 · #c1c559

#c559c1 · #c59259 · #59c55d

Contrast

#598bc5 as textRatioAAAA largeAAAFix
Aaon white
3.54:1failpassfail
  • AA: use #4179b9 as the text (4.51:1)
  • AAA: use #305988 as the text (7.22:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.92:1passpassfail
  • AAA: use #709bcd as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #598bc5 as the background.

Brands using this color

Fonts for this mood

#598bc5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #598bc5
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 #598bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/598bc5-9caac4-df564e-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