Color

#3a85d4

#3a85d4
hex#3a85d4
rgbrgb(58, 133, 212)
hslhsl(211, 64%, 53%)
oklchoklch(0.608 0.141 252.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2243

Colors that go with #3a85d4

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 →

#d48a3a

#3ad1d4 · #3d3ad4

#d43a85 · #85d43a

Split-complementary

Open in tool →

#d43d3a · #d1d43a

#d43ad1 · #d48a3a · #3ad43d

Contrast

#3a85d4 as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #2c78c9 as the text (4.53:1)
  • AAA: use #215a97 as the text (7.06:1)
  • AA: or shift the background to #1a1a1a (4.55:1)
Aaon black
5.49:1passpassfail
  • AAA: use #5c99db as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a85d4 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

#3a85d4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a85d4
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 #3a85d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a85d4-9cabc4-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