Color

#508ca5

#508ca5
hex#508ca5
rgbrgb(80, 140, 165)
hslhsl(198, 35%, 48%)
oklchoklch(0.609 0.073 226.9)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2318

Colors that go with #508ca5

Charcoal, Copper and Denim 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 #508ca5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a56950

#50a594 · #5061a5

#a5508c · #8ca550

Split-complementary

Open in tool →

#a55061 · #a59450

#9450a5 · #a56950 · #61a550

Contrast

#508ca5 as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #477d94 as the text (4.54:1)
  • AAA: use #355d6e as the text (7.14:1)
  • AA: or shift the background to #1c1c1c (4.57:1)
Aaon black
5.64:1passpassfail
  • AAA: use #689fb6 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #508ca5 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

Fonts for this mood

#508ca5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #508ca5
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 #508ca5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508ca5-9cb3c4-df4e69-1f232d-e9f1f0?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