Color

#5b6abe

#5b6abe
hex#5b6abe
rgbrgb(91, 106, 190)
hslhsl(231, 43%, 55%)
oklchoklch(0.553 0.131 273.7)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1625

Colors that go with #5b6abe

Charcoal, Sea Green and Amber 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 →

#beaf5b

#5b9bbe · #7d5bbe

#be5b6a · #6abe5b

Split-complementary

Open in tool →

#be7d5b · #9bbe5b

#be5b9b · #beaf5b · #5bbe7d

Contrast

#5b6abe as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #4150a4 as the text (7.22:1)
Aaon black
4.25:1failpassfail
  • AA: use #6270c0 as the text (4.6:1)
  • AAA: use #8792cf as the text (7.04:1)
  • AA: or shift the background to #f5f5f5 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b6abe as the background.

Brands using this color

Fonts for this mood

#5b6abe reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b6abe
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 #5b6abe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b6abe-9c9ec4-df834e-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