Color

#29313d

#29313d
hex#29313d
rgbrgb(41, 49, 61)
hslhsl(216, 20%, 20%)
oklchoklch(0.311 0.024 258.4)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.03

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d3529

#293b3d · #2b293d

#3d2931 · #313d29

Split-complementary

Open in tool →

#3d2b29 · #3b3d29

#3d293b · #3d3529 · #293d2b

Contrast

#29313d as textRatioAAAA largeAAAFix
Aaon white
13.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #627693 as the text (4.53:1)
  • AAA: use #8898af as the text (7.16:1)
  • AA: or shift the background to #999999 (4.6:1)
  • AAA: or shift the background to #bfbfbf (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #29313d as the background.

Brands using this color

Fonts for this mood

#29313d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #29313d
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 #29313d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/29313d-9ca7c4-df5f4e-201f2d-e9f0f1?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