Color

#5b9dcd

#5b9dcd
hex#5b9dcd
rgbrgb(91, 157, 205)
hslhsl(205, 53%, 58%)
oklchoklch(0.672 0.098 241.8)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.3075

Colors that go with #5b9dcd

Charcoal, Peru 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 →

#cd8a5b

#5bcdc3 · #5b65cd

#cd5b9d · #9dcd5b

Split-complementary

Open in tool →

#cd5b65 · #cdc35b

#c35bcd · #cd8a5b · #65cd5b

Contrast

#5b9dcd as textRatioAAAA largeAAAFix
Aaon white
2.94:1failfailfail
  • AA: use #357aac as the text (4.63:1)
  • AAA: use #285c81 as the text (7.15:1)
  • AA: or shift the background to #2e2e2e (4.62:1)
  • AAA: or shift the background to #030303 (7.02:1)
Aaon black
7.15:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b9dcd 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

#5b9dcd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b9dcd
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 #5b9dcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b9dcd-9cafc4-df4e58-1f212d-e9f1f0?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