Color

#4c63ae

#4c63ae
hex#4c63ae
rgbrgb(76, 99, 174)
hslhsl(226, 39%, 49%)
oklchoklch(0.518 0.122 269)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1352

Colors that go with #4c63ae

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 →

#ae974c

#4c94ae · #664cae

#ae4c63 · #63ae4c

Split-complementary

Open in tool →

#ae664c · #94ae4c

#ae4c94 · #ae974c · #4cae66

Contrast

#4c63ae as textRatioAAAA largeAAAFix
Aaon white
5.67:1passpassfail
  • AAA: use #415595 as the text (7.1:1)
Aaon black
3.7:1failpassfail
  • AA: use #5c71b7 as the text (4.5:1)
  • AAA: use #8696ca as the text (7.23:1)
  • AA: or shift the background to #e6e6e6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c63ae 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

#4c63ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c63ae
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 #4c63ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c63ae-9ca1c4-df774e-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