Color

#310b02

#310b02
hex#310b02
rgbrgb(49, 11, 2)
hslhsl(11, 92%, 10%)
oklchoklch(0.215 0.065 37.4)
Closest name: Italian Roast (#221111)Relative luminance 0.009

Colors that go with #310b02

Charcoal, Crimson and Royal 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.

Real palettes that use #310b02

Tints & shades

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

Harmonies

Complementary

Open in tool →

#022831

#310211 · #312202

#02310b · #0b0231

Split-complementary

Open in tool →

#023122 · #021131

#113102 · #022831 · #220231

Contrast

#310b02 as textRatioAAAA largeAAAFix
Aaon white
17.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #e13109 as the text (4.64:1)
  • AAA: use #f76a4a as the text (7.12:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310b02 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

#310b02 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310b02
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 #310b02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310b02-c4a89c-62cbab-2d281f-f1e9ec?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