Color

#2d4352

#2d4352
hex#2d4352
rgbrgb(45, 67, 82)
hslhsl(204, 29%, 25%)
oklchoklch(0.371 0.038 238.9)
Closest name: Arsenic (#3b444b)Relative luminance 0.0518

Tints & shades

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

Harmonies

Complementary

Open in tool →

#523c2d

#2d524f · #2d3152

#522d43 · #43522d

Split-complementary

Open in tool →

#522d31 · #524f2d

#4f2d52 · #523c2d · #31522d

Contrast

#2d4352 as textRatioAAAA largeAAAFix
Aaon white
10.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #517994 as the text (4.51:1)
  • AAA: use #759ab3 as the text (7.03:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (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 #2d4352 as the background.

Brands using this color

Fonts for this mood

#2d4352 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d4352
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 #2d4352 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d4352-9cafc4-df4e5a-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