Color

#5379ca

#5379ca
hex#5379ca
rgbrgb(83, 121, 202)
hslhsl(221, 53%, 56%)
oklchoklch(0.586 0.132 263.8)
Closest name: Flood (#6677bb)Relative luminance 0.1978

Colors that go with #5379ca

Charcoal, Sea Green and Copper 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 →

#caa553

#53b4ca · #6953ca

#ca5379 · #79ca53

Split-complementary

Open in tool →

#ca6953 · #b4ca53

#ca53b4 · #caa553 · #53ca69

Contrast

#5379ca as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #4c73c8 as the text (4.57:1)
  • AAA: use #3154a0 as the text (7.23:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.96:1passpassfail
  • AAA: use #7a97d6 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5379ca as the background.

Brands using this color

Fonts for this mood

#5379ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5379ca
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 #5379ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5379ca-9ca4c4-df6b4e-211f2d-e9eff1?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