Color

#2d40eb

#2d40eb
hex#2d40eb
rgbrgb(45, 64, 235)
hslhsl(234, 83%, 55%)
oklchoklch(0.489 0.251 268.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.1022

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebd82d

#2d9feb · #792deb

#eb2d40 · #40eb2d

Split-complementary

Open in tool →

#eb792d · #9feb2d

#eb2d9f · #ebd82d · #2deb79

Contrast

#2d40eb as textRatioAAAA largeAAAFix
Aaon white
6.9:1passpassfail
  • AAA: use #283ceb as the text (7.15:1)
Aaon black
3.04:1failpassfail
  • AA: use #5766ef as the text (4.55:1)
  • AAA: use #8691f4 as the text (7.37:1)
  • AA: or shift the background to #d1d1d1 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d40eb 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

#2d40eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d40eb
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 #2d40eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d40eb-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