Color

#254b79

#254b79
hex#254b79
rgbrgb(37, 75, 121)
hslhsl(213, 53%, 31%)
oklchoklch(0.409 0.089 254.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.0681

Colors that go with #254b79

Cadet Blue, Crimson and Denim 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 →

#795325

#257579 · #292579

#79254b · #4b7925

Split-complementary

Open in tool →

#792925 · #757925

#792575 · #795325 · #257929

Contrast

#254b79 as textRatioAAAA largeAAAFix
Aaon white
8.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #3b76bf as the text (4.53:1)
  • AAA: use #6b99d1 as the text (7.1:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #254b79 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#254b79 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #254b79
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 #254b79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/254b79-9ca9c4-df584e-1f202d-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