Color

#253f41

#253f41
hex#253f41
rgbrgb(37, 63, 65)
hslhsl(184, 27%, 20%)
oklchoklch(0.348 0.032 202)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0433

Tints & shades

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

Harmonies

Complementary

Open in tool →

#412725

#254135 · #253141

#41253f · #3f4125

Split-complementary

Open in tool →

#412531 · #413525

#352541 · #412725 · #314125

Contrast

#253f41 as textRatioAAAA largeAAAFix
Aaon white
11.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #4a7e82 as the text (4.6:1)
  • AAA: use #64a1a6 as the text (7.19:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cccccc (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 #253f41 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

#253f41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253f41
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 #253f41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253f41-a2b9be-df4e8a-1f262d-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