Color

#1b021d

#1b021d
hex#1b021d
rgbrgb(27, 2, 29)
hslhsl(296, 87%, 6%)
oklchoklch(0.163 0.067 325.1)
Closest name: Black Sabbath (#220022)Relative luminance 0.0037

Tints & shades

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

Harmonies

Complementary

Open in tool →

#041d02

#0e021d · #1d0211

#1d1b02 · #021d1b

Split-complementary

Open in tool →

#111d02 · #021d0e

#1d0e02 · #041d02 · #02111d

Contrast

#1b021d as textRatioAAAA largeAAAFix
Aaon white
19.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #c90fd7 as the text (4.53:1)
  • AAA: use #e958f3 as the text (7.15:1)
  • AA: or shift the background to #7a7a7a (4.56:1)
  • AAA: or shift the background to #9c9c9c (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b021d 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

#1b021d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b021d
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 #1b021d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b021d-c19fbf-9ccb62-2d1f28-ede9f1?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