Color

#031d01

#031d01
hex#031d01
rgbrgb(3, 29, 1)
hslhsl(116, 93%, 6%)
oklchoklch(0.202 0.063 141.2)
Closest name: Nightmare (#112211)Relative luminance 0.009

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c011e

#111e01 · #011e0d

#01031e · #1e0103

Split-complementary

Open in tool →

#0d011e · #1e0111

#01111e · #1c011e · #1e0d01

Contrast

#031d01 as textRatioAAAA largeAAAFix
Aaon white
17.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #0e8a05 as the text (4.66:1)
  • AAA: use #12b106 as the text (7.32:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (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 #031d01 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

#031d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031d01
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 #031d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031d01-a2bea3-8f4edf-1f2d24-eef1e9?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