Color

#255ccb

#255ccb
hex#255ccb
rgbrgb(37, 92, 203)
hslhsl(220, 69%, 47%)
oklchoklch(0.506 0.182 262.2)
Closest name: Denim (#1560bd)Relative luminance 0.1236

Colors that go with #255ccb

Charcoal, Amber and Blue 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 →

#cb9325

#25afcb · #4125cb

#cb255c · #5ccb25

Split-complementary

Open in tool →

#cb4125 · #afcb25

#cb25af · #cb9325 · #25cb41

Contrast

#255ccb as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #2152b5 as the text (7.15:1)
Aaon black
3.47:1failpassfail
  • AA: use #3d72db as the text (4.63:1)
  • AAA: use #7197e5 as the text (7.26:1)
  • 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 #255ccb as the background.

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #255ccb
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 #255ccb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255ccb-9ca5c4-df694e-211f2d-e9f0f1?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