Color

#253a3c

#253a3c
hex#253a3c
rgbrgb(37, 58, 60)
hslhsl(185, 24%, 19%)
oklchoklch(0.332 0.027 203.5)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0375

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c2725

#253c32 · #252f3c

#3c253a · #3a3c25

Split-complementary

Open in tool →

#3c252f · #3c3225

#32253c · #3c2725 · #2f3c25

Contrast

#253a3c as textRatioAAAA largeAAAFix
Aaon white
12.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #4f7d82 as the text (4.59:1)
  • AAA: use #6a9fa4 as the text (7.11:1)
  • AA: or shift the background to #a1a1a1 (4.65:1)
  • AAA: or shift the background to #c7c7c7 (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 #253a3c 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

#253a3c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #253a3c
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 #253a3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/253a3c-a2b8be-df4e88-1f262d-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