Color

#2e373d

#2e373d
hex#2e373d
rgbrgb(46, 55, 61)
hslhsl(204, 14%, 21%)
oklchoklch(0.331 0.016 237.2)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0365

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d342e

#2e3d3c · #2e303d

#3d2e37 · #373d2e

Split-complementary

Open in tool →

#3d2e30 · #3d3c2e

#3c2e3d · #3d342e · #303d2e

Contrast

#2e373d as textRatioAAAA largeAAAFix
Aaon white
12.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #657986 as the text (4.63:1)
  • AAA: use #8899a5 as the text (7.15:1)
  • AA: or shift the background to #9e9e9e (4.53:1)
  • AAA: or shift the background to #c7c7c7 (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 #2e373d as the background.

Brands using this color

Fonts for this mood

#2e373d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e373d
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 #2e373d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e373d-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