Color

#2b013d

#2b013d
hex#2b013d
rgbrgb(43, 1, 61)
hslhsl(282, 97%, 12%)
oklchoklch(0.22 0.108 312.6)
Closest name: Your Darkness (#220044)Relative luminance 0.0087

Tints & shades

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

Harmonies

Complementary

Open in tool →

#133c01

#0d013c · #3c0130

#3c2a01 · #013c2a

Split-complementary

Open in tool →

#303c01 · #013c0d

#3c0d01 · #133c01 · #01303c

Contrast

#2b013d as textRatioAAAA largeAAAFix
Aaon white
17.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #b718fb as the text (4.54:1)
  • AAA: use #d068fd as the text (7.08:1)
  • AA: or shift the background to #808080 (4.53:1)
  • AAA: or shift the background to #a3a3a3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b013d 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

#2b013d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b013d
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 #2b013d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b013d-ba9fc1-b4cb62-2d1f2b-ebe9f1?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