Color

#0a0d10

#0a0d10
hex#0a0d10
rgbrgb(10, 13, 16)
hslhsl(210, 23%, 5%)
oklchoklch(0.157 0.008 248.4)
Closest name: Black Wash (#0c0c0c)Relative luminance 0.0039

Tints & shades

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

Harmonies

Complementary

Open in tool →

#100d0a

#0a1010 · #0a0a10

#100a0d · #0d100a

Split-complementary

Open in tool →

#100a0a · #10100a

#100a10 · #100d0a · #0a100a

Contrast

#0a0d10 as textRatioAAAA largeAAAFix
Aaon white
19.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #5c7893 as the text (4.56:1)
  • AAA: use #8299b0 as the text (7.13:1)
  • AA: or shift the background to #7a7a7a (4.54:1)
  • AAA: or shift the background to #9c9c9c (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a0d10 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0a0d10 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a0d10
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 #0a0d10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a0d10-9cabc4-df514e-1f202d-e9f1f1?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