Color

#5b8da4

#5b8da4
hex#5b8da4
rgbrgb(91, 141, 164)
hslhsl(199, 29%, 50%)
oklchoklch(0.617 0.064 228.7)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2395

Colors that go with #5b8da4

Charcoal, Copper and Cobalt Blue 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 →

#a4725b

#5ba497 · #5b68a4

#a45b8d · #8da45b

Split-complementary

Open in tool →

#a45b68 · #a4975b

#975ba4 · #a4725b · #68a45b

Contrast

#5b8da4 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #507c91 as the text (4.53:1)
  • AAA: use #3c5d6d as the text (7.05:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.79:1passpassfail
  • AAA: use #729db1 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b8da4 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 #5b8da4
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 #5b8da4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b8da4-9cb3c4-df4e66-1f232d-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