Color

#100c22

#100c22
hex#100c22
rgbrgb(16, 12, 34)
hslhsl(251, 48%, 9%)
oklchoklch(0.173 0.044 289.3)
Closest name: Corbeau (#111122)Relative luminance 0.0049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e220c

#0c1322 · #1b0c22

#22100c · #0c2210

Split-complementary

Open in tool →

#221b0c · #13220c

#220c13 · #1e220c · #0c221b

Contrast

#100c22 as textRatioAAAA largeAAAFix
Aaon white
19.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #7a68ca as the text (4.66:1)
  • AAA: use #9b8ed7 as the text (7.24:1)
  • AA: or shift the background to #7d7d7d (4.65:1)
  • AAA: or shift the background to #9e9e9e (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100c22 as the background.

Brands using this color

Fonts for this mood

#100c22 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100c22
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 #100c22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100c22-a89cc4-dfb34e-281f2d-e9ecf1?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