Color

#0401cb

#0401cb
hex#0401cb
rgbrgb(4, 1, 203)
hslhsl(241, 99%, 40%)
oklchoklch(0.382 0.263 264.5)
Closest name: mediumblue (#0000cd)Relative luminance 0.0436

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c8cb01

#0163cb · #6901cb

#cb0401 · #01cb04

Split-complementary

Open in tool →

#cb6901 · #63cb01

#cb0163 · #c8cb01 · #01cb69

Contrast

#0401cb as textRatioAAAA largeAAAFix
Aaon white
11.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #6462fe as the text (4.72:1)
  • AAA: use #8c8afe as the text (7.18:1)
  • AA: or shift the background to #a6a6a6 (4.61:1)
  • AAA: or shift the background to #cfcfcf (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0401cb as the background.

Brands using this color

Fonts for this mood

#0401cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0401cb
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 #0401cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0401cb-a19cc4-df9b4e-261f2d-e9edf1?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