Color

#0644fe

#0644fe
hex#0644fe
rgbrgb(6, 68, 254)
hslhsl(225, 99%, 51%)
oklchoklch(0.506 0.275 264)
Closest name: C64 Blue (#003aff)Relative luminance 0.1133

Colors that go with #0644fe

Charcoal, Crimson 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 →

#fec006

#06c0fe · #4406fe

#fe0644 · #44fe06

Split-complementary

Open in tool →

#fe4406 · #c0fe06

#fe06c0 · #fec006 · #06fe44

Contrast

#0644fe as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #013ef4 as the text (7.01:1)
Aaon black
3.27:1failpassfail
  • AA: use #3467fe as the text (4.52:1)
  • AAA: use #6c90fe as the text (7.06:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0644fe as the background.

Brands using this color

Fonts for this mood

#0644fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0644fe
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 #0644fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0644fe-9ca1c4-df754e-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