Color

#3d72a4

#3d72a4
hex#3d72a4
rgbrgb(61, 114, 164)
hslhsl(209, 46%, 44%)
oklchoklch(0.538 0.097 248.8)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1571

Colors that go with #3d72a4

Charcoal, Sienna 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 →

#a46e3d

#3da4a2 · #3d3ea4

#a43d72 · #72a43d

Split-complementary

Open in tool →

#a43d3e · #a4a23d

#a23da4 · #a46e3d · #3ea43d

Contrast

#3d72a4 as textRatioAAAA largeAAAFix
Aaon white
5.07:1passpassfail
  • AAA: use #305b82 as the text (7.13:1)
Aaon black
4.14:1failpassfail
  • AA: use #417aaf as the text (4.63:1)
  • AAA: use #6a9bc8 as the text (7.14:1)
  • AA: or shift the background to #f2f2f2 (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 #3d72a4 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

#3d72a4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d72a4
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 #3d72a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d72a4-9cacc4-df4e4e-1f212d-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