Color

#3e63da

#3e63da
hex#3e63da
rgbrgb(62, 99, 218)
hslhsl(226, 68%, 55%)
oklchoklch(0.541 0.187 266.9)
Closest name: royalblue (#4169e1)Relative luminance 0.1501

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dab63e

#3eb1da · #683eda

#da3e63 · #63da3e

Split-complementary

Open in tool →

#da683e · #b1da3e

#da3eb1 · #dab63e · #3eda68

Contrast

#3e63da as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #264cc9 as the text (7.1:1)
Aaon black
4:1failpassfail
  • AA: use #4b6ddd as the text (4.53:1)
  • AAA: use #7a93e6 as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e63da 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

#3e63da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e63da
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 #3e63da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e63da-9ca1c4-df774e-221f2d-e9eff1?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