Color

#100a0c

#100a0c
hex#100a0c
rgbrgb(16, 10, 12)
hslhsl(340, 23%, 5%)
oklchoklch(0.154 0.011 356.6)
Closest name: Black Sheep (#0f0d0d)Relative luminance 0.0035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a100e

#100a0f · #100b0a

#0c100a · #0a0c10

Split-complementary

Open in tool →

#0a100b · #0a0f10

#0f100a · #0a100e · #0b0a10

Contrast

#100a0c as textRatioAAAA largeAAAFix
Aaon white
19.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #9f6578 as the text (4.61:1)
  • AAA: use #b68b99 as the text (7.14:1)
  • AA: or shift the background to #7a7a7a (4.57:1)
  • AAA: or shift the background to #9c9c9c (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 #100a0c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#100a0c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100a0c
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 #100a0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100a0c-c49ca5-62cb75-2d211f-f1e9f0?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