Color

#3d73ae

#3d73ae
hex#3d73ae
rgbrgb(61, 115, 174)
hslhsl(211, 48%, 46%)
oklchoklch(0.546 0.109 252.3)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1631

Colors that go with #3d73ae

Charcoal, Sea Green and Sienna 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 →

#ae773d

#3dacae · #3f3dae

#ae3d73 · #73ae3d

Split-complementary

Open in tool →

#ae3f3d · #acae3d

#ae3dac · #ae773d · #3dae3f

Contrast

#3d73ae as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #305a88 as the text (7.13:1)
Aaon black
4.26:1failpassfail
  • AA: use #4078b5 as the text (4.57:1)
  • AAA: use #6c9acb as the text (7.12:1)
  • AA: or shift the background to #f5f5f5 (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 #3d73ae 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

#3d73ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d73ae
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 #3d73ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d73ae-9cabc4-df534e-1f202d-e9f1f1?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