Color

#253fe4

#253fe4
hex#253fe4
rgbrgb(37, 63, 228)
hslhsl(232, 78%, 52%)
oklchoklch(0.478 0.246 267.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.0955

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4cb25

#259ee4 · #6b25e4

#e4253f · #3fe425

Split-complementary

Open in tool →

#e46b25 · #9ee425

#e4259e · #e4cb25 · #25e46b

Contrast

#253fe4 as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #576bea as the text (4.7:1)
  • AAA: use #808fef as the text (7.09:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (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 #253fe4 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

#253fe4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253fe4
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 #253fe4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253fe4-9c9dc4-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