Color

#5877ca

#5877ca
hex#5877ca
rgbrgb(88, 119, 202)
hslhsl(224, 52%, 57%)
oklchoklch(0.585 0.132 266.9)
Closest name: Flood (#6677bb)Relative luminance 0.1953

Colors that go with #5877ca

Charcoal, Sea Green 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 →

#caac58

#58b0ca · #7358ca

#ca5877 · #77ca58

Split-complementary

Open in tool →

#ca7358 · #b0ca58

#ca58b0 · #caac58 · #58ca73

Contrast

#5877ca as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #5170c8 as the text (4.67:1)
  • AAA: use #3553a7 as the text (7.13:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.91:1passpassfail
  • AAA: use #7f96d7 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5877ca as the background.

Brands using this color

Fonts for this mood

#5877ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5877ca
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 #5877ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5877ca-9ca2c4-df724e-221f2d-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