Color

#3d4dc2

#3d4dc2
hex#3d4dc2
rgbrgb(61, 77, 194)
hslhsl(233, 52%, 50%)
oklchoklch(0.48 0.182 271.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1019

Colors that go with #3d4dc2

Charcoal, Sea Green and Steel Blue 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 →

#c2b23d

#3d8fc2 · #703dc2

#c23d4d · #4dc23d

Split-complementary

Open in tool →

#c2703d · #8fc23d

#c23d8f · #c2b23d · #3dc270

Contrast

#3d4dc2 as textRatioAAAA largeAAAFix
Aaon white
6.91:1passpassfail
  • AAA: use #3c4bbe as the text (7.14:1)
Aaon black
3.04:1failpassfail
  • AA: use #606dcd as the text (4.57:1)
  • AAA: use #8790d9 as the text (7.02:1)
  • AA: or shift the background to #d1d1d1 (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 #3d4dc2 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

#3d4dc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d4dc2
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 #3d4dc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d4dc2-9c9cc4-df884e-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