Color

#313d0f

#313d0f
hex#313d0f
rgbrgb(49, 61, 15)
hslhsl(76, 61%, 15%)
oklchoklch(0.338 0.069 122.7)
Closest name: Dark Olive (#373e02)Relative luminance 0.0402

Colors that go with #313d0f

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 →

#1b0f3e

#3e330f · #1a3e0f

#0f313e · #3e0f31

Split-complementary

Open in tool →

#0f1a3e · #330f3e

#0f3e33 · #1b0f3e · #3e0f1a

Contrast

#313d0f as textRatioAAAA largeAAAFix
Aaon white
11.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #667f1f as the text (4.62:1)
  • AAA: use #83a428 as the text (7.31:1)
  • AA: or shift the background to #a1a1a1 (4.5:1)
  • AAA: or shift the background to #c9c9c9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #313d0f 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

#313d0f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #313d0f
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 #313d0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/313d0f-b3bea2-4e6edf-232d1f-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