Color

#0634cb

#0634cb
hex#0634cb
rgbrgb(6, 52, 203)
hslhsl(226, 94%, 41%)
oklchoklch(0.427 0.232 264.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0681

Colors that go with #0634cb

Charcoal, Crimson and Steel 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 →

#cb9d06

#0696cb · #3b06cb

#cb0634 · #34cb06

Split-complementary

Open in tool →

#cb3b06 · #96cb06

#cb0696 · #cb9d06 · #06cb3b

Contrast

#0634cb as textRatioAAAA largeAAAFix
Aaon white
8.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #3e6af9 as the text (4.63:1)
  • AAA: use #7090fb as the text (7.07:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0634cb as the background.

Brands using this color

Fonts for this mood

#0634cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0634cb
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 #0634cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0634cb-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