Color

#6590bd

#6590bd
hex#6590bd
rgbrgb(101, 144, 189)
hslhsl(211, 40%, 57%)
oklchoklch(0.64 0.083 250.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2639

Colors that go with #6590bd

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 →

#bd9365

#65bcbd · #6765bd

#bd6590 · #90bd65

Split-complementary

Open in tool →

#bd6765 · #bcbd65

#bd65bc · #bd9365 · #65bd67

Contrast

#6590bd as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #4979ab as the text (4.56:1)
  • AAA: use #375b81 as the text (7.06:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.28:1passpassfail
  • AAA: use #749ac3 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6590bd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#6590bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6590bd
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 #6590bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6590bd-9cabc4-df534e-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