Color

#2c373f

#2c373f
hex#2c373f
rgbrgb(44, 55, 63)
hslhsl(205, 18%, 21%)
oklchoklch(0.33 0.02 239.8)
Closest name: Astral Nomad (#203943)Relative luminance 0.0363

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f342c

#2c3f3e · #2c2e3f

#3f2c37 · #373f2c

Split-complementary

Open in tool →

#3f2c2e · #3f3e2c

#3e2c3f · #3f342c · #2e3f2c

Contrast

#2c373f as textRatioAAAA largeAAAFix
Aaon white
12.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #60798a as the text (4.6:1)
  • AAA: use #849aa9 as the text (7.18:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c373f as the background.

Brands using this color

Fonts for this mood

#2c373f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c373f
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 #2c373f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c373f-9cafc4-df4e58-1f212d-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