Color

#25599d

#25599d
hex#25599d
rgbrgb(37, 89, 157)
hslhsl(214, 62%, 38%)
oklchoklch(0.466 0.124 256.4)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0997

Colors that go with #25599d

Charcoal, Crimson and Sea Green 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 →

#9d6925

#25959d · #2d259d

#9d2559 · #599d25

Split-complementary

Open in tool →

#9d2d25 · #959d25

#9d2595 · #9d6925 · #259d2d

Contrast

#25599d as textRatioAAAA largeAAAFix
Aaon white
7.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #3075cf as the text (4.57:1)
  • AAA: use #6699db as the text (7.14:1)
  • AA: or shift the background to #cfcfcf (4.5:1)
  • AAA: or shift the background to #ffffff (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25599d as the background.

Brands using this color

Fonts for this mood

#25599d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25599d
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 #25599d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25599d-9ca9c4-df5a4e-1f1f2d-e9f0f1?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