Color

#253d41

#253d41
hex#253d41
rgbrgb(37, 61, 65)
hslhsl(189, 27%, 20%)
oklchoklch(0.342 0.031 209)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0411

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#412925

#254137 · #252f41

#41253d · #3d4125

Split-complementary

Open in tool →

#41252f · #413725

#372541 · #412925 · #2f4125

Contrast

#253d41 as textRatioAAAA largeAAAFix
Aaon white
11.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #4c7c85 as the text (4.53:1)
  • AAA: use #679ea8 as the text (7.03:1)
  • AA: or shift the background to #a3a3a3 (4.57:1)
  • AAA: or shift the background to #cccccc (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #253d41 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

#253d41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253d41
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #253d41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253d41-a2b7be-df4e7e-1f252d-e9f1ee?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