Color

#0a331a

#0a331a
hex#0a331a
rgbrgb(10, 51, 26)
hslhsl(143, 67%, 12%)
oklchoklch(0.285 0.064 152.6)
Closest name: Dark Serpent (#113311)Relative luminance 0.0251

Tints & shades

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

Harmonies

Complementary

Open in tool →

#330a23

#0f330a · #0a332e

#1a0a33 · #331a0a

Split-complementary

Open in tool →

#2e0a33 · #330a0f

#0a0f33 · #330a23 · #332e0a

Contrast

#0a331a as textRatioAAAA largeAAAFix
Aaon white
13.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #1b8845 as the text (4.65:1)
  • AAA: use #23af58 as the text (7.34:1)
  • AA: or shift the background to #949494 (4.61:1)
  • AAA: or shift the background to #b8b8b8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a331a 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

#0a331a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a331a
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 #0a331a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a331a-a2beb0-c859d4-1f2d2b-eaf1e9?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