Color

#5399ca

#5399ca
hex#5399ca
rgbrgb(83, 153, 202)
hslhsl(205, 53%, 56%)
oklchoklch(0.657 0.102 241.2)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2889

Colors that go with #5399ca

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 →

#ca8553

#53cac0 · #535dca

#ca5399 · #99ca53

Split-complementary

Open in tool →

#ca535d · #cac053

#c053ca · #ca8553 · #5dca53

Contrast

#5399ca as textRatioAAAA largeAAAFix
Aaon white
3.1:1failpassfail
  • AA: use #357aac as the text (4.63:1)
  • AAA: use #285c81 as the text (7.15:1)
  • AA: or shift the background to #2b2b2b (4.57:1)
Aaon black
6.78:1passpassfail
  • AAA: use #5b9dcd 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 #5399ca 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

#5399ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5399ca
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 #5399ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5399ca-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