Color

#253fe9

#253fe9
hex#253fe9
rgbrgb(37, 63, 233)
hslhsl(232, 82%, 53%)
oklchoklch(0.483 0.252 267.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.0983

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e9cf25

#25a1e9 · #6d25e9

#e9253f · #3fe925

Split-complementary

Open in tool →

#e96d25 · #a1e925

#e925a1 · #e9cf25 · #25e96d

Contrast

#253fe9 as textRatioAAAA largeAAAFix
Aaon white
7.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #5368ee as the text (4.58:1)
  • AAA: use #8291f3 as the text (7.29:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #253fe9 as the background.

Brands using this color

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

Fonts for this mood

#253fe9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253fe9
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #253fe9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253fe9-9c9dc4-df864e-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