Color

#0a1e1f

#0a1e1f
hex#0a1e1f
rgbrgb(10, 30, 31)
hslhsl(183, 51%, 8%)
oklchoklch(0.219 0.026 199.8)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f0b0a

#0a1f15 · #0a131f

#1f0a1e · #1e1f0a

Split-complementary

Open in tool →

#1f0a13 · #1f150a

#150a1f · #1f0b0a · #131f0a

Contrast

#0a1e1f as textRatioAAAA largeAAAFix
Aaon white
17.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #2c8287 as the text (4.65:1)
  • AAA: use #37a4a9 as the text (7.05:1)
  • AA: or shift the background to #858585 (4.67:1)
  • AAA: or shift the background to #a6a6a6 (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 #0a1e1f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0a1e1f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a1e1f
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 #0a1e1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a1e1f-a2b9be-d4598e-1f262d-e9f1ee?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