Color

#0404ec

#0404ec
hex#0404ec
rgbrgb(4, 4, 236)
hslhsl(240, 97%, 47%)
oklchoklch(0.428 0.294 264.4)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0617

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecec04

#0478ec · #7804ec

#ec0404 · #04ec04

Split-complementary

Open in tool →

#ec7804 · #78ec04

#ec0478 · #ecec04 · #04ec78

Contrast

#0404ec as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #6363fd as the text (4.73:1)
  • AAA: use #8b8bfd as the text (7.21:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0404ec as the background.

Brands using this color

Fonts for this mood

#0404ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0404ec
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 #0404ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0404ec-a19cc4-df994e-251f2d-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