Color

#253ed0

#253ed0
hex#253ed0
rgbrgb(37, 62, 208)
hslhsl(231, 70%, 48%)
oklchoklch(0.456 0.223 267.6)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0839

Colors that go with #253ed0

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 →

#d0b625

#2594d0 · #6125d0

#d0253e · #3ed025

Split-complementary

Open in tool →

#d06125 · #94d025

#d02594 · #d0b625 · #25d061

Contrast

#253ed0 as textRatioAAAA largeAAAFix
Aaon white
7.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #566be1 as the text (4.59:1)
  • AAA: use #8191e9 as the text (7.16:1)
  • AA: or shift the background to #c7c7c7 (4.64:1)
  • AAA: or shift the background to #f2f2f2 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #253ed0 as the background.

Brands using this color

Fonts for this mood

#253ed0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253ed0
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 #253ed0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253ed0-9c9ec4-df834e-231f2d-e9eef1?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