Color

#5d90c0

#5d90c0
hex#5d90c0
rgbrgb(93, 144, 192)
hslhsl(209, 44%, 56%)
oklchoklch(0.637 0.091 248)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2608

Colors that go with #5d90c0

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 →

#c08d5d

#5dc0bf · #5d5fc0

#c05d90 · #90c05d

Split-complementary

Open in tool →

#c05d5f · #c0bf5d

#bf5dc0 · #c08d5d · #5fc05d

Contrast

#5d90c0 as textRatioAAAA largeAAAFix
Aaon white
3.38:1failpassfail
  • AA: use #437aad as the text (4.54:1)
  • AAA: use #325b81 as the text (7.12:1)
  • AA: or shift the background to #242424 (4.59:1)
Aaon black
6.22:1passpassfail
  • AAA: use #6c9ac6 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d90c0 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

#5d90c0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5d90c0
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 #5d90c0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d90c0-9cacc4-df4e4e-1f212d-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