Color

#5b6595

#5b6595
hex#5b6595
rgbrgb(91, 101, 149)
hslhsl(230, 24%, 47%)
oklchoklch(0.519 0.077 274.4)
Closest name: Bellflower (#5d66aa)Relative luminance 0.137

Colors that go with #5b6595

Charcoal, Sea Green and Dark Olive Green 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 →

#958b5b

#5b8195 · #6e5b95

#955b65 · #65955b

Split-complementary

Open in tool →

#956e5b · #81955b

#955b81 · #958b5b · #5b956e

Contrast

#5b6595 as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #4e567e as the text (7.1:1)
Aaon black
3.74:1failpassfail
  • AA: use #6a74a4 as the text (4.65:1)
  • AAA: use #8d95b9 as the text (7.13:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b6595 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 #5b6595
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 #5b6595 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b6595-9c9ec4-df814e-231f2d-e9eef1?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