Color

#2b2bab

#2b2bab
hex#2b2bab
rgbrgb(43, 43, 171)
hslhsl(240, 60%, 42%)
oklchoklch(0.391 0.196 272.7)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0518

Tints & shades

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

Harmonies

Complementary

Open in tool →

#abab2b

#2b6bab · #6b2bab

#ab2b2b · #2bab2b

Split-complementary

Open in tool →

#ab6b2b · #6bab2b

#ab2b6b · #abab2b · #2bab6b

Contrast

#2b2bab as textRatioAAAA largeAAAFix
Aaon white
10.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #6868d9 as the text (4.57:1)
  • AAA: use #8d8de2 as the text (7.04:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (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 #2b2bab 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

#2b2bab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2bab
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 #2b2bab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2bab-a19cc4-df994e-251f2d-e9edf1?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