Color

#5691cd

#5691cd
hex#5691cd
rgbrgb(86, 145, 205)
hslhsl(210, 54%, 57%)
oklchoklch(0.642 0.11 250.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2664

Colors that go with #5691cd

Charcoal, Copper 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 →

#cd9156

#56cdcd · #5656cd

#cd5691 · #91cd56

Split-complementary

Open in tool →

#cd5656 · #cdcd56

#cd56cd · #cd9156 · #56cd56

Contrast

#5691cd as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #3778b9 as the text (4.62:1)
  • AAA: use #295989 as the text (7.28:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #669cd1 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5691cd as the background.

Brands using this color

Fonts for this mood

#5691cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5691cd
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 #5691cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5691cd-9cabc4-df514e-1f202d-e9f1f1?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