Color

#255bfe

#255bfe
hex#255bfe
rgbrgb(37, 91, 254)
hslhsl(225, 99%, 57%)
oklchoklch(0.548 0.248 264.7)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1503

Colors that go with #255bfe

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fec825

#25c8fe · #5b25fe

#fe255b · #5bfe25

Split-complementary

Open in tool →

#fe5b25 · #c8fe25

#fe25c8 · #fec825 · #25fe5b

Contrast

#255bfe as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #013ef4 as the text (7.01:1)
Aaon black
4.01:1failpassfail
  • AA: use #3467fe as the text (4.52:1)
  • AAA: use #6c90fe as the text (7.06:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255bfe as the background.

Brands using this color

Fonts for this mood

#255bfe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255bfe
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #255bfe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255bfe-9ca1c4-df754e-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