Color

#5b698b

#5b698b
hex#5b698b
rgbrgb(91, 105, 139)
hslhsl(223, 21%, 45%)
oklchoklch(0.523 0.057 267.1)
Closest name: Dark Prince (#6b6c89)Relative luminance 0.1419

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b7d5b

#5b808b · #655b8b

#8b5b68 · #688b5b

Split-complementary

Open in tool →

#8b655b · #808b5b

#8b5b80 · #8b7d5b · #5b8b65

Contrast

#5b698b as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #4d5875 as the text (7.07:1)
Aaon black
3.84:1failpassfail
  • AA: use #65749a as the text (4.52:1)
  • AAA: use #8a95b2 as the text (7.02:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b698b as the background.

Brands using this color

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

mcpConnect your agent — build around #5b698b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5b698b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b698b-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