Color

#2d40e6

#2d40e6
hex#2d40e6
rgbrgb(45, 64, 230)
hslhsl(234, 79%, 54%)
oklchoklch(0.484 0.245 268.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.0994

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6d42d

#2d9ce6 · #772de6

#e62d40 · #40e62d

Split-complementary

Open in tool →

#e6772d · #9ce62d

#e62d9c · #e6d42d · #2de677

Contrast

#2d40e6 as textRatioAAAA largeAAAFix
Aaon white
7.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #5b69ec as the text (4.68:1)
  • AAA: use #848ff1 as the text (7.18:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d40e6 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

#2d40e6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d40e6
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 #2d40e6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d40e6-9d9cc4-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