Color

#52637a

#52637a
hex#52637a
rgbrgb(82, 99, 122)
hslhsl(215, 20%, 40%)
oklchoklch(0.495 0.042 256.1)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1212

Colors that go with #52637a

Charcoal, Sea Green and Sienna 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 →

#7a6952

#52777a · #55527a

#7a5263 · #637a52

Split-complementary

Open in tool →

#7a5552 · #777a52

#7a5277 · #7a6952 · #527a55

Contrast

#52637a as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #49596e as the text (7.15:1)
Aaon black
3.42:1failpassfail
  • AA: use #627693 as the text (4.53:1)
  • AAA: use #8898af as the text (7.16:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #52637a as the background.

Brands using this color

mcpConnect your agent — build around #52637a
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 #52637a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52637a-9ca8c4-df5d4e-201f2d-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