Color

#5b6bc2

#5b6bc2
hex#5b6bc2
rgbrgb(91, 107, 194)
hslhsl(231, 46%, 56%)
oklchoklch(0.557 0.135 273.4)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1663

Colors that go with #5b6bc2

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 →

#c2b35b

#5b9ec2 · #7f5bc2

#c25b6b · #6bc25b

Split-complementary

Open in tool →

#c27f5b · #9ec25b

#c25b9e · #c2b35b · #5bc27f

Contrast

#5b6bc2 as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #3f50ab as the text (7.13:1)
Aaon black
4.33:1failpassfail
  • AA: use #5f6ec4 as the text (4.51:1)
  • AAA: use #8893d3 as the text (7.16:1)
  • AA: or shift the background to #f7f7f7 (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 #5b6bc2 as the background.

Brands using this color

Fonts for this mood

#5b6bc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b6bc2
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 #5b6bc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b6bc2-9c9ec4-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