Color

#25017e

#25017e
hex#25017e
rgbrgb(37, 1, 126)
hslhsl(257, 98%, 25%)
oklchoklch(0.29 0.175 279.6)
Closest name: Child of the Night (#220077)Relative luminance 0.0192

Colors that go with #25017e

Charcoal, Steel Blue and Cobalt 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 →

#5b7e01

#011c7e · #63017e

#7e2501 · #017e25

Split-complementary

Open in tool →

#7e6301 · #1c7e01

#7e011c · #5b7e01 · #017e63

Contrast

#25017e as textRatioAAAA largeAAAFix
Aaon white
15.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #8353fd as the text (4.62:1)
  • AAA: use #a481fe as the text (7.15:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25017e 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

#25017e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25017e
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 #25017e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25017e-ac9cc4-dfc24e-291f2d-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