Color

#253e98

#253e98
hex#253e98
rgbrgb(37, 62, 152)
hslhsl(227, 61%, 37%)
oklchoklch(0.403 0.15 267.3)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0611

Colors that go with #253e98

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 →

#987f25

#257798 · #452598

#98253e · #3e9825

Split-complementary

Open in tool →

#984525 · #779825

#982577 · #987f25 · #259845

Contrast

#253e98 as textRatioAAAA largeAAAFix
Aaon white
9.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #536fd5 as the text (4.6:1)
  • AAA: use #8095e0 as the text (7.29:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (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 #253e98 as the background.

Brands using this color

Fonts for this mood

#253e98 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253e98
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 #253e98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253e98-9ca0c4-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