Color

#253d93

#253d93
hex#253d93
rgbrgb(37, 61, 147)
hslhsl(227, 60%, 36%)
oklchoklch(0.396 0.145 267.5)
Closest name: Bluebell (#333399)Relative luminance 0.0584

Colors that go with #253d93

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 →

#937b25

#257493 · #442593

#93253d · #3d9325

Split-complementary

Open in tool →

#934425 · #749325

#932574 · #937b25 · #259344

Contrast

#253d93 as textRatioAAAA largeAAAFix
Aaon white
9.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #546fd4 as the text (4.6:1)
  • AAA: use #7c92de as the text (7.02:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #253d93 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#253d93 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253d93
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 #253d93 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253d93-9ca0c4-df7a4e-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