Color

#254cb6

#254cb6
hex#254cb6
rgbrgb(37, 76, 182)
hslhsl(224, 66%, 43%)
oklchoklch(0.457 0.174 264.8)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0894

Colors that go with #254cb6

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 →

#b68f25

#2594b6 · #4725b6

#b6254c · #4cb625

Split-complementary

Open in tool →

#b64725 · #94b625

#b62594 · #b68f25 · #25b647

Contrast

#254cb6 as textRatioAAAA largeAAAFix
Aaon white
7.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #4970da as the text (4.61:1)
  • AAA: use #7894e3 as the text (7.14:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #254cb6 as the background.

Brands using this color

Fonts for this mood

#254cb6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #254cb6
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 #254cb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/254cb6-9ca2c4-df724e-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