Color

#063cfe

#063cfe
hex#063cfe
rgbrgb(6, 60, 254)
hslhsl(227, 99%, 51%)
oklchoklch(0.495 0.282 264.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.1043

Colors that go with #063cfe

Charcoal, Crimson and Cobalt Blue 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 →

#fec806

#06b8fe · #4c06fe

#fe063c · #3cfe06

Split-complementary

Open in tool →

#fe4c06 · #b8fe06

#fe06b8 · #fec806 · #06fe4c

Contrast

#063cfe as textRatioAAAA largeAAAFix
Aaon white
6.81:1passpassfail
Aaon black
3.09:1failpassfail
  • AA: use #3e68fe as the text (4.62:1)
  • AAA: use #7190fe as the text (7.12:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #063cfe as the background.

Brands using this color

Fonts for this mood

#063cfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #063cfe
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 #063cfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/063cfe-9ca0c4-df7a4e-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