Color

#234bfb

#234bfb
hex#234bfb
rgbrgb(35, 75, 251)
hslhsl(229, 96%, 56%)
oklchoklch(0.519 0.261 266)
Closest name: C64 Blue (#003aff)Relative luminance 0.1235

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbd323

#23b6fb · #6723fb

#fb234b · #4bfb23

Split-complementary

Open in tool →

#fb6723 · #b6fb23

#fb23b6 · #fbd323 · #23fb67

Contrast

#234bfb as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #0a36fa as the text (7.19:1)
Aaon black
3.47:1failpassfail
  • AA: use #4667fb as the text (4.59:1)
  • AAA: use #7890fc as the text (7.19:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #234bfb as the background.

Brands using this color

Fonts for this mood

#234bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #234bfb
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 #234bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/234bfb-9c9fc4-df7e4e-231f2d-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