Color

#5d8bcb

#5d8bcb
hex#5d8bcb
rgbrgb(93, 139, 203)
hslhsl(215, 51%, 58%)
oklchoklch(0.631 0.109 256.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.251

Colors that go with #5d8bcb

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 →

#cb9d5d

#5dc1cb · #665dcb

#cb5d8b · #8bcb5d

Split-complementary

Open in tool →

#cb665d · #c1cb5d

#cb5dc1 · #cb9d5d · #5dcb66

Contrast

#5d8bcb as textRatioAAAA largeAAAFix
Aaon white
3.49:1failpassfail
  • AA: use #4277c2 as the text (4.52:1)
  • AAA: use #2f5992 as the text (7.08:1)
  • AA: or shift the background to #212121 (4.62:1)
Aaon black
6.02:1passpassfail
  • AAA: use #7199d1 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d8bcb as the background.

Brands using this color

Fonts for this mood

#5d8bcb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5d8bcb
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 #5d8bcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d8bcb-9ca8c4-df5d4e-201f2d-e9f0f1?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