Color

#2b43fd

#2b43fd
hex#2b43fd
rgbrgb(43, 67, 253)
hslhsl(233, 98%, 58%)
oklchoklch(0.512 0.269 267.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.1162

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fde42b

#2bacfd · #7b2bfd

#fd2b43 · #43fd2b

Split-complementary

Open in tool →

#fd7b2b · #acfd2b

#fd2bac · #fde42b · #2bfd7b

Contrast

#2b43fd as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #1c36fd as the text (7.01:1)
Aaon black
3.32:1failpassfail
  • AA: use #4e63fd as the text (4.53:1)
  • AAA: use #818ffe as the text (7.29:1)
  • AA: or shift the background to #dbdbdb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b43fd 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

#2b43fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b43fd
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 #2b43fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b43fd-9c9cc4-df884e-241f2d-e9eef1?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