Color

#004bfa

#004bfa
hex#004bfa
rgbrgb(0, 75, 250)
hslhsl(222, 100%, 49%)
oklchoklch(0.512 0.264 263.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1193

Tints & shades

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

Harmonies

Complementary

Open in tool →

#faaf00

#00c8fa · #3200fa

#fa004b · #4bfa00

Split-complementary

Open in tool →

#fa3200 · #c8fa00

#fa00c8 · #faaf00 · #00fa32

Contrast

#004bfa as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #0045e6 as the text (7.01:1)
Aaon black
3.39:1failpassfail
  • AA: use #2969ff as the text (4.56:1)
  • AAA: use #6694ff as the text (7.24:1)
  • AA: or shift the background to #dedede (4.61:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/004bfa-9ca3c4-df6e4e-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