Color

#3d7bc2

#3d7bc2
hex#3d7bc2
rgbrgb(61, 123, 194)
hslhsl(212, 52%, 50%)
oklchoklch(0.576 0.127 253.5)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1905

Colors that go with #3d7bc2

Charcoal, Copper 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 →

#c2843d

#3dbdc2 · #423dc2

#c23d7b · #7bc23d

Split-complementary

Open in tool →

#c2423d · #bdc23d

#c23dbd · #c2843d · #3dc242

Contrast

#3d7bc2 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #3b76ba as the text (4.68:1)
  • AAA: use #2c598c as the text (7.2:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.81:1passpassfail
  • AAA: use #6c9bd0 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d7bc2 as the background.

Brands using this color

Fonts for this mood

#3d7bc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d7bc2
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 #3d7bc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d7bc2-9caac4-df564e-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