Color

#0631cb

#0631cb
hex#0631cb
rgbrgb(6, 49, 203)
hslhsl(227, 94%, 41%)
oklchoklch(0.423 0.235 264.3)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0655

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cba006

#0693cb · #3e06cb

#cb0631 · #31cb06

Split-complementary

Open in tool →

#cb3e06 · #93cb06

#cb0693 · #cba006 · #06cb3e

Contrast

#0631cb as textRatioAAAA largeAAAFix
Aaon white
9.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #3e67f9 as the text (4.51:1)
  • AAA: use #7492fb as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0631cb 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

#0631cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0631cb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0631cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0631cb-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