Color

#538da2

#538da2
hex#538da2
rgbrgb(83, 141, 162)
hslhsl(196, 32%, 48%)
oklchoklch(0.612 0.068 223.4)
Closest name: Blue Moon (#3992a8)Relative luminance 0.235

Colors that go with #538da2

Charcoal, Copper and Crimson 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.

Real palettes that use #538da2

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a26853

#53a28f · #5366a2

#a2538d · #8da253

Split-complementary

Open in tool →

#a25366 · #a28f53

#8f53a2 · #a26853 · #66a253

Contrast

#538da2 as textRatioAAAA largeAAAFix
Aaon white
3.68:1failpassfail
  • AA: use #497b8d as the text (4.67:1)
  • AAA: use #375e6c as the text (7.05:1)
  • AA: or shift the background to #1c1c1c (4.63:1)
Aaon black
5.7:1passpassfail
  • AAA: use #689db1 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #538da2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #538da2
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 #538da2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/538da2-9cb5c4-df4e6e-1f232d-e9f1ef?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