Color

#250d54

#250d54
hex#250d54
rgbrgb(37, 13, 84)
hslhsl(260, 73%, 19%)
oklchoklch(0.25 0.117 290.6)
Closest name: Hollow Knight (#330055)Relative luminance 0.0132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c540d

#0d1954 · #480d54

#54250d · #0d5425

Split-complementary

Open in tool →

#54480d · #19540d

#540d19 · #3c540d · #0d5448

Contrast

#250d54 as textRatioAAAA largeAAAFix
Aaon white
16.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #8757e5 as the text (4.52:1)
  • AAA: use #a683ec as the text (7.08:1)
  • AA: or shift the background to #858585 (4.5:1)
  • AAA: or shift the background to #ababab (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #250d54 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

#250d54 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #250d54
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 #250d54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/250d54-ae9cc4-dfc94e-2a1f2d-e9ebf1?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