Color

#0413ec

#0413ec
hex#0413ec
rgbrgb(4, 19, 236)
hslhsl(236, 97%, 47%)
oklchoklch(0.435 0.29 264.5)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0655

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecdd04

#0487ec · #6804ec

#ec0413 · #13ec04

Split-complementary

Open in tool →

#ec6804 · #87ec04

#ec0487 · #ecdd04 · #04ec68

Contrast

#0413ec as textRatioAAAA largeAAAFix
Aaon white
9.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #5964fc as the text (4.65:1)
  • AAA: use #868efd as the text (7.3:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0413ec as the background.

Brands using this color

Fonts for this mood

#0413ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0413ec
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 #0413ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0413ec-9e9cc4-df8f4e-241f2d-e9eef1?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