Color

#4077ce

#4077ce
hex#4077ce
rgbrgb(64, 119, 206)
hslhsl(217, 59%, 53%)
oklchoklch(0.575 0.146 259.2)
Closest name: Campanula (#3473b7)Relative luminance 0.1874

Colors that go with #4077ce

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 →

#ce9840

#40bdce · #5140ce

#ce4077 · #77ce40

Split-complementary

Open in tool →

#ce5140 · #bdce40

#ce40bd · #ce9840 · #40ce51

Contrast

#4077ce as textRatioAAAA largeAAAFix
Aaon white
4.42:1failpassfail
  • AA: use #3c74cd as the text (4.59:1)
  • AAA: use #29569e as the text (7.19:1)
  • AA: or shift the background to #080808 (4.53:1)
Aaon black
4.75:1passpassfail
  • AAA: use #6d97d9 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4077ce as the background.

Brands using this color

Fonts for this mood

#4077ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4077ce
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 #4077ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4077ce-9ca7c4-df624e-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