Color

#252dc1

#252dc1
hex#252dc1
rgbrgb(37, 45, 193)
hslhsl(237, 68%, 45%)
oklchoklch(0.415 0.222 269.5)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0612

Colors that go with #252dc1

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 →

#c1b925

#257bc1 · #6b25c1

#c1252d · #2dc125

Split-complementary

Open in tool →

#c16b25 · #7bc125

#c1257b · #c1b925 · #25c16b

Contrast

#252dc1 as textRatioAAAA largeAAAFix
Aaon white
9.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #6067e1 as the text (4.52:1)
  • AAA: use #8b90e9 as the text (7.26:1)
  • AA: or shift the background to #b3b3b3 (4.5:1)
  • AAA: or shift the background to #dedede (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #252dc1 as the background.

Brands using this color

Fonts for this mood

#252dc1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #252dc1
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 #252dc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/252dc1-9f9cc4-df924e-251f2d-e9edf1?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