Color

#313f03

#313f03
hex#313f03
rgbrgb(49, 63, 3)
hslhsl(74, 91%, 13%)
oklchoklch(0.343 0.081 122.9)
Closest name: Dark Olive (#373e02)Relative luminance 0.0421

Tints & shades

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

Harmonies

Complementary

Open in tool →

#11033f

#3f2f03 · #133f03

#03313f · #3f0331

Split-complementary

Open in tool →

#03133f · #2f033f

#033f2f · #11033f · #3f0313

Contrast

#313f03 as textRatioAAAA largeAAAFix
Aaon white
11.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #627f06 as the text (4.56:1)
  • AAA: use #81a608 as the text (7.39:1)
  • AA: or shift the background to #a3a3a3 (4.52:1)
  • AAA: or shift the background to #cccccc (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 #313f03 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

#313f03 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #313f03
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 #313f03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/313f03-b4bea2-4e72df-242d1f-f1efe9?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