Color

#1c1d21

#1c1d21
hex#1c1d21
rgbrgb(28, 29, 33)
hslhsl(228, 8%, 12%)
oklchoklch(0.231 0.008 274.6)
Closest name: Night Demons (#201b20)Relative luminance 0.0124

Tints & shades

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

Harmonies

Complementary

Open in tool →

#21201c

#1c2021 · #1e1c21

#211c1d · #1d211c

Split-complementary

Open in tool →

#211e1c · #20211c

#211c20 · #21201c · #1c211e

Contrast

#1c1d21 as textRatioAAAA largeAAAFix
Aaon white
16.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #717584 as the text (4.58:1)
  • AAA: use #9497a4 as the text (7.22:1)
  • AA: or shift the background to #858585 (4.56:1)
  • AAA: or shift the background to #a8a8a8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c1d21 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1c1d21 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c1d21
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 #1c1d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c1d21-9c9fc4-df7c4e-231f2d-e9eff1?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