Color

#2b012d

#2b012d
hex#2b012d
rgbrgb(43, 1, 45)
hslhsl(297, 96%, 9%)
oklchoklch(0.206 0.093 326.3)
Closest name: Coal Mine (#220033)Relative luminance 0.0072

Tints & shades

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

Harmonies

Complementary

Open in tool →

#032d01

#15012d · #2d0119

#2d2b01 · #012d2b

Split-complementary

Open in tool →

#192d01 · #012d15

#2d1501 · #032d01 · #01192d

Contrast

#2b012d as textRatioAAAA largeAAAFix
Aaon white
18.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #cc04d7 as the text (4.57:1)
  • AAA: use #f246fb as the text (7.04:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b012d 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

#2b012d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b012d
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 #2b012d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b012d-c19fbe-9acb62-2d1f28-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