Color

#004cf0

#004cf0
hex#004cf0
rgbrgb(0, 76, 240)
hslhsl(221, 100%, 47%)
oklchoklch(0.503 0.252 262.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.1146

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0a400

#00c4f0 · #2c00f0

#f0004c · #4cf000

Split-complementary

Open in tool →

#f02c00 · #c4f000

#f000c4 · #f0a400 · #00f02c

Contrast

#004cf0 as textRatioAAAA largeAAAFix
Aaon white
6.38:1passpassfail
  • AAA: use #0047e0 as the text (7.05:1)
Aaon black
3.29:1failpassfail
  • AA: use #2469ff as the text (4.54:1)
  • AAA: use #6193ff as the text (7.13:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #004cf0 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

#004cf0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004cf0
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 #004cf0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004cf0-9ca4c4-df6b4e-211f2d-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