Color

#59637d

#59637d
hex#59637d
rgbrgb(89, 99, 125)
hslhsl(223, 17%, 42%)
oklchoklch(0.501 0.043 268.4)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1253

Colors that go with #59637d

Charcoal, Sea Green 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 →

#7d7359

#59757d · #61597d

#7d5963 · #637d59

Split-complementary

Open in tool →

#7d6159 · #757d59

#7d5975 · #7d7359 · #597d61

Contrast

#59637d as textRatioAAAA largeAAAFix
Aaon white
5.99:1passpassfail
  • AAA: use #4e576e as the text (7.21:1)
Aaon black
3.51:1failpassfail
  • AA: use #687492 as the text (4.5:1)
  • AAA: use #8e97af as the text (7.2:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59637d as the background.

Brands using this color

mcpConnect your agent — build around #59637d
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 #59637d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59637d-9ca3c4-df704e-211f2d-e9eff1?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