Color

#28012d

#28012d
hex#28012d
rgbrgb(40, 1, 45)
hslhsl(293, 96%, 9%)
oklchoklch(0.2 0.091 323.1)
Closest name: Coal Mine (#220033)Relative luminance 0.0066

Tints & shades

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

Harmonies

Complementary

Open in tool →

#062d01

#12012d · #2d011c

#2d2801 · #012d28

Split-complementary

Open in tool →

#1c2d01 · #012d12

#2d1201 · #062d01 · #011c2d

Contrast

#28012d as textRatioAAAA largeAAAFix
Aaon white
18.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #c705e1 as the text (4.54:1)
  • AAA: use #e855fc as the text (7.14:1)
  • AA: or shift the background to #7d7d7d (4.5:1)
  • AAA: or shift the background to #a1a1a1 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28012d 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

#28012d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28012d
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 #28012d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28012d-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