Color

#2d42fb

#2d42fb
hex#2d42fb
rgbrgb(45, 66, 251)
hslhsl(234, 96%, 58%)
oklchoklch(0.509 0.268 268.1)
Closest name: C64 Blue (#003aff)Relative luminance 0.1142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbe62d

#2da8fb · #7f2dfb

#fb2d42 · #42fb2d

Split-complementary

Open in tool →

#fb7f2d · #a8fb2d

#fb2da8 · #fbe62d · #2dfb7f

Contrast

#2d42fb as textRatioAAAA largeAAAFix
Aaon white
6.39:1passpassfail
  • AAA: use #1e34fa as the text (7.18:1)
Aaon black
3.28:1failpassfail
  • AA: use #5566fc as the text (4.69:1)
  • AAA: use #828efc as the text (7.22:1)
  • AA: or shift the background to #d9d9d9 (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 #2d42fb 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

#2d42fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d42fb
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 #2d42fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d42fb-9d9cc4-df8a4e-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