Color

#0435fb

#0435fb
hex#0435fb
rgbrgb(4, 53, 251)
hslhsl(228, 97%, 50%)
oklchoklch(0.483 0.285 264.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.0954

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbca04

#04b1fb · #4e04fb

#fb0435 · #35fb04

Split-complementary

Open in tool →

#fb4e04 · #b1fb04

#fb04b1 · #fbca04 · #04fb4e

Contrast

#0435fb as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #4066fc as the text (4.52:1)
  • AAA: use #728efd as the text (7:1)
  • AA: or shift the background to #cfcfcf (4.64:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0435fb 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

#0435fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0435fb
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 #0435fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0435fb-9c9fc4-df7c4e-231f2d-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