Color

#2b003d

#2b003d
hex#2b003d
rgbrgb(43, 0, 61)
hslhsl(282, 100%, 12%)
oklchoklch(0.219 0.109 312.8)
Closest name: Your Darkness (#220044)Relative luminance 0.0085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#123d00

#0c003d · #3d0031

#3d2b00 · #003d2b

Split-complementary

Open in tool →

#313d00 · #003d0c

#3d0c00 · #123d00 · #00313d

Contrast

#2b003d as textRatioAAAA largeAAAFix
Aaon white
17.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #b70fff as the text (4.53:1)
  • AAA: use #d166ff as the text (7.06:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b003d 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

#2b003d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b003d
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 #2b003d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b003d-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