Color

#0a1917

#0a1917
hex#0a1917
rgbrgb(10, 25, 23)
hslhsl(172, 43%, 7%)
oklchoklch(0.199 0.021 184.8)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a0a0c

#0a1a10 · #0a141a

#170a1a · #1a170a

Split-complementary

Open in tool →

#1a0a14 · #1a100a

#100a1a · #1a0a0c · #141a0a

Contrast

#0a1917 as textRatioAAAA largeAAAFix
Aaon white
18.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #348379 as the text (4.67:1)
  • AAA: use #43a89a as the text (7.31:1)
  • AA: or shift the background to #808080 (4.57:1)
  • AAA: or shift the background to #a3a3a3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a1917 as the background.

Brands using this color

Fonts for this mood

#0a1917 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a1917
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 #0a1917 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a1917-a2bebe-d459a5-1f292d-e9f1ec?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