Color

#254fcb

#254fcb
hex#254fcb
rgbrgb(37, 79, 203)
hslhsl(225, 69%, 47%)
oklchoklch(0.481 0.198 265.1)
Closest name: Denim (#1560bd)Relative luminance 0.103

Colors that go with #254fcb

Charcoal, Sea Green and Steel 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 →

#cba125

#25a1cb · #4f25cb

#cb254f · #4fcb25

Split-complementary

Open in tool →

#cb4f25 · #a1cb25

#cb25a1 · #cba125 · #25cb4f

Contrast

#254fcb as textRatioAAAA largeAAAFix
Aaon white
6.86:1passpassfail
  • AAA: use #244dc6 as the text (7.11:1)
Aaon black
3.06:1failpassfail
  • AA: use #4a6fde as the text (4.62:1)
  • AAA: use #7995e6 as the text (7.25:1)
  • AA: or shift the background to #d4d4d4 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #254fcb as the background.

Brands using this color

Fonts for this mood

#254fcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #254fcb
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 #254fcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/254fcb-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