Color

#2b2bda

#2b2bda
hex#2b2bda
rgbrgb(43, 43, 218)
hslhsl(240, 70%, 51%)
oklchoklch(0.443 0.25 270)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dada2b

#2b82da · #822bda

#da2b2b · #2bda2b

Split-complementary

Open in tool →

#da822b · #82da2b

#da2b82 · #dada2b · #2bda82

Contrast

#2b2bda as textRatioAAAA largeAAAFix
Aaon white
8.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #6767e4 as the text (4.64:1)
  • AAA: use #8e8eeb as the text (7.22:1)
  • AA: or shift the background to #bdbdbd (4.54:1)
  • AAA: or shift the background to #ebebeb (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2bda 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

#2b2bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2bda
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 #2b2bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2bda-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