Color

#2355fb

#2355fb
hex#2355fb
rgbrgb(35, 85, 251)
hslhsl(226, 96%, 56%)
oklchoklch(0.535 0.251 265.1)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1382

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbc823

#23c1fb · #5d23fb

#fb2355 · #55fb23

Split-complementary

Open in tool →

#fb5d23 · #c1fb23

#fb23c1 · #fbc823 · #23fb5d

Contrast

#2355fb as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #053df5 as the text (7.02:1)
Aaon black
3.76:1failpassfail
  • AA: use #3c69fb as the text (4.61:1)
  • AAA: use #7393fc as the text (7.31:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2355fb as the background.

Brands using this color

Fonts for this mood

#2355fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2355fb
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 #2355fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2355fb-9ca1c4-df774e-221f2d-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