Color

#048cfb

#048cfb
hex#048cfb
rgbrgb(4, 140, 251)
hslhsl(207, 97%, 50%)
oklchoklch(0.638 0.192 252.4)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2575

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb7304

#04fbef · #0410fb

#fb048c · #8cfb04

Split-complementary

Open in tool →

#fb0410 · #fbef04

#ef04fb · #fb7304 · #10fb04

Contrast

#048cfb as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #0375d3 as the text (4.68:1)
  • AAA: use #025aa1 as the text (7.05:1)
  • AA: or shift the background to #242424 (4.55:1)
Aaon black
6.15:1passpassfail
  • AAA: use #229afc as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #048cfb as the background.

Brands using this color

Fonts for this mood

#048cfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #048cfb
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 #048cfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/048cfb-9cadc4-df4e53-1f212d-e9f1f1?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