Color

#0b511d

#0b511d
hex#0b511d
rgbrgb(11, 81, 29)
hslhsl(135, 76%, 18%)
oklchoklch(0.381 0.106 147)
Closest name: Mysterious Mixture (#0f521a)Relative luminance 0.0604

Colors that go with #0b511d

Blue, Crimson and Emerald Green 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 →

#510b3f

#1c510b · #0b513f

#1c0b51 · #511c0b

Split-complementary

Open in tool →

#3f0b51 · #510b1c

#0b1c51 · #510b3f · #513f0b

Contrast

#0b511d as textRatioAAAA largeAAAFix
Aaon white
9.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #12872f as the text (4.53:1)
  • AAA: use #18af3e as the text (7.24:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b511d 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

#0b511d reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b511d
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 #0b511d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b511d-a2beac-b759d4-1f2d29-ebf1e9?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