Color

#25318e

#25318e
hex#25318e
rgbrgb(37, 49, 142)
hslhsl(233, 59%, 35%)
oklchoklch(0.368 0.153 271)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0454

Colors that go with #25318e

Charcoal, Steel Blue and 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 →

#8e8225

#25668e · #4d258e

#8e2531 · #318e25

Split-complementary

Open in tool →

#8e4d25 · #668e25

#8e2566 · #8e8225 · #258e4d

Contrast

#25318e as textRatioAAAA largeAAAFix
Aaon white
11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #5d6bd5 as the text (4.53:1)
  • AAA: use #8590e0 as the text (7.06:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25318e as the background.

Brands using this color

Fonts for this mood

#25318e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25318e
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 #25318e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25318e-9c9cc4-df884e-241f2d-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