Color

#1c211c

#1c211c
hex#1c211c
rgbrgb(28, 33, 28)
hslhsl(120, 8%, 12%)
oklchoklch(0.241 0.012 145.2)
Closest name: Underworld (#1e231c)Relative luminance 0.0142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#211c21

#1f211c · #1c211f

#1c1c21 · #211c1c

Split-complementary

Open in tool →

#1f1c21 · #211c1f

#1c1f21 · #211c21 · #211f1c

Contrast

#1c211c as textRatioAAAA largeAAAFix
Aaon white
16.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #677967 as the text (4.51:1)
  • AAA: use #899a89 as the text (7.05:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c211c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1c211c reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c211c
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 #1c211c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c211c-a2bea5-994edf-1f2d25-edf1e9?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