Color

#25294b

#25294b
hex#25294b
rgbrgb(37, 41, 75)
hslhsl(234, 34%, 22%)
oklchoklch(0.295 0.062 276.8)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0249

Colors that go with #25294b

Dark Olive Green, Sea Green and Sienna 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 →

#4b4725

#253c4b · #34254b

#4b2529 · #294b25

Split-complementary

Open in tool →

#4b3425 · #3c4b25

#4b253c · #4b4725 · #254b34

Contrast

#25294b as textRatioAAAA largeAAAFix
Aaon white
14.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #6970b5 as the text (4.59:1)
  • AAA: use #8e94c7 as the text (7.21:1)
  • AA: or shift the background to #949494 (4.62:1)
  • AAA: or shift the background to #b8b8b8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25294b 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

#25294b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25294b
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 #25294b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25294b-9d9cc4-df8a4e-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