Color

#2b2bc5

#2b2bc5
hex#2b2bc5
rgbrgb(43, 43, 197)
hslhsl(240, 64%, 47%)
oklchoklch(0.42 0.227 271.1)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0627

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c5c52b

#2b78c5 · #782bc5

#c52b2b · #2bc52b

Split-complementary

Open in tool →

#c5782b · #78c52b

#c52b78 · #c5c52b · #2bc578

Contrast

#2b2bc5 as textRatioAAAA largeAAAFix
Aaon white
9.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #6868de as the text (4.62:1)
  • AAA: use #8e8ee6 as the text (7.16:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2bc5 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

#2b2bc5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2bc5
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 #2b2bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2bc5-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