Color

#253a46

#253a46
hex#253a46
rgbrgb(37, 58, 70)
hslhsl(202, 31%, 21%)
oklchoklch(0.336 0.034 234.2)
Closest name: Astral Nomad (#203943)Relative luminance 0.0386

Colors that go with #253a46

Dark Olive Green, Sienna and Steel 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 →

#463125

#254642 · #252946

#46253a · #3a4625

Split-complementary

Open in tool →

#462529 · #464225

#422546 · #463125 · #294625

Contrast

#253a46 as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #4f7c96 as the text (4.66:1)
  • AAA: use #739db5 as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (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 #253a46 as the background.

Brands using this color

Fonts for this mood

#253a46 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253a46
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 #253a46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253a46-9cb1c4-df4e5f-1f222d-e9f1f0?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