Color

#5b79cd

#5b79cd
hex#5b79cd
rgbrgb(91, 121, 205)
hslhsl(224, 53%, 58%)
oklchoklch(0.593 0.133 267.4)
Closest name: Flood (#6677bb)Relative luminance 0.2031

Colors that go with #5b79cd

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 →

#cdae5b

#5bb2cd · #765bcd

#cd5b79 · #79cd5b

Split-complementary

Open in tool →

#cd765b · #b2cd5b

#cd5bb2 · #cdae5b · #5bcd76

Contrast

#5b79cd as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #4f70c9 as the text (4.67:1)
  • AAA: use #3453a8 as the text (7.12:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.06:1passpassfail
  • AAA: use #7e96d7 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b79cd as the background.

Brands using this color

Fonts for this mood

#5b79cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b79cd
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 #5b79cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b79cd-9ca2c4-df724e-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