Color

#2d3bfb

#2d3bfb
hex#2d3bfb
rgbrgb(45, 59, 251)
hslhsl(236, 96%, 58%)
oklchoklch(0.5 0.274 268.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1065

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbed2d

#2da2fb · #862dfb

#fb2d3b · #3bfb2d

Split-complementary

Open in tool →

#fb862d · #a2fb2d

#fb2da2 · #fbed2d · #2dfb86

Contrast

#2d3bfb as textRatioAAAA largeAAAFix
Aaon white
6.71:1passpassfail
  • AAA: use #2331fb as the text (7.23:1)
Aaon black
3.13:1failpassfail
  • AA: use #5a65fc as the text (4.7:1)
  • AAA: use #878ffd as the text (7.38:1)
  • AA: or shift the background to #d4d4d4 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d3bfb 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

#2d3bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d3bfb
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 #2d3bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d3bfb-9e9cc4-df8f4e-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