Color

#3d63c2

#3d63c2
hex#3d63c2
rgbrgb(61, 99, 194)
hslhsl(223, 52%, 50%)
oklchoklch(0.523 0.155 265.1)
Closest name: God of Rain (#4466cc)Relative luminance 0.1381

Colors that go with #3d63c2

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c29c3d

#3da5c2 · #5a3dc2

#c23d63 · #63c23d

Split-complementary

Open in tool →

#c25a3d · #a5c23d

#c23da5 · #c29c3d · #3dc25a

Contrast

#3d63c2 as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #3353a3 as the text (7.22:1)
Aaon black
3.76:1failpassfail
  • AA: use #5172c8 as the text (4.59:1)
  • AAA: use #7b95d5 as the text (7.1:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d63c2 as the background.

Brands using this color

Fonts for this mood

#3d63c2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d63c2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3d63c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d63c2-9ca3c4-df704e-211f2d-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