Color

#5b76cd

#5b76cd
hex#5b76cd
rgbrgb(91, 118, 205)
hslhsl(226, 53%, 58%)
oklchoklch(0.586 0.137 268.9)
Closest name: Flood (#6677bb)Relative luminance 0.1959

Colors that go with #5b76cd

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 →

#cdb25b

#5baecd · #795bcd

#cd5b76 · #76cd5b

Split-complementary

Open in tool →

#cd795b · #aecd5b

#cd5bae · #cdb25b · #5bcd79

Contrast

#5b76cd as textRatioAAAA largeAAAFix
Aaon white
4.27:1failpassfail
  • AA: use #536fca as the text (4.67:1)
  • AAA: use #3652b0 as the text (7.02:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.92:1passpassfail
  • AAA: use #7e93d7 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b76cd as the background.

Brands using this color

Fonts for this mood

#5b76cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b76cd
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 #5b76cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b76cd-9ca1c4-df774e-221f2d-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