Color

#313b11

#313b11
hex#313b11
rgbrgb(49, 59, 17)
hslhsl(74, 55%, 15%)
oklchoklch(0.333 0.064 121.3)
Closest name: Dark Olive (#373e02)Relative luminance 0.0382

Colors that go with #313b11

Royal Blue, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b113b

#3b3011 · #1c3b11

#11313b · #3b1131

Split-complementary

Open in tool →

#111c3b · #30113b

#113b30 · #1b113b · #3b111c

Contrast

#313b11 as textRatioAAAA largeAAAFix
Aaon white
11.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #6a7e25 as the text (4.62:1)
  • AAA: use #87a22f as the text (7.24:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #313b11 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

#313b11 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #313b11
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #313b11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/313b11-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