Color

#1a021d

#1a021d
hex#1a021d
rgbrgb(26, 2, 29)
hslhsl(293, 87%, 6%)
oklchoklch(0.161 0.066 323.6)
Closest name: Black Sabbath (#220022)Relative luminance 0.0035

Colors that go with #1a021d

Blue Violet, Charcoal and Teal 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 →

#051d02

#0c021d · #1d0212

#1d1a02 · #021d1a

Split-complementary

Open in tool →

#121d02 · #021d0c

#1d0c02 · #051d02 · #02121d

Contrast

#1a021d as textRatioAAAA largeAAAFix
Aaon white
19.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #c810e0 as the text (4.61:1)
  • AAA: use #e25df4 as the text (7.11:1)
  • AA: or shift the background to #7a7a7a (4.57:1)
  • AAA: or shift the background to #9c9c9c (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a021d 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

#1a021d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a021d
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 #1a021d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a021d-c19fc1-a1cb62-2d1f29-ece9f1?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