Color

#252e37

#252e37
hex#252e37
rgbrgb(37, 46, 55)
hslhsl(210, 20%, 18%)
oklchoklch(0.297 0.021 248.5)
Closest name: Night Sky (#292b31)Relative luminance 0.0262

Colors that go with #252e37

Amber, Blue and Blush Pink 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 →

#372e25

#253737 · #252537

#37252e · #2e3725

Split-complementary

Open in tool →

#372525 · #373725

#372537 · #372e25 · #253725

Contrast

#252e37 as textRatioAAAA largeAAAFix
Aaon white
13.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #607890 as the text (4.59:1)
  • AAA: use #8599ad as the text (7.16:1)
  • AA: or shift the background to #949494 (4.54:1)
  • AAA: or shift the background to #bababa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #252e37 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#252e37 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #252e37
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 #252e37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/252e37-9cabc4-df514e-1f202d-e9f1f1?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