Color

#3b82fc

#3b82fc
hex#3b82fc
rgbrgb(59, 130, 252)
hslhsl(218, 97%, 61%)
oklchoklch(0.627 0.196 260.5)
Closest name: Azure (#007fff)Relative luminance 0.2392

Colors that go with #3b82fc

Charcoal, Red 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 →

#fcb53b

#3be2fc · #553bfc

#fc3b82 · #82fc3b

Split-complementary

Open in tool →

#fc553b · #e2fc3b

#fc3be2 · #fcb53b · #3bfc55

Contrast

#3b82fc as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #186bfb as the text (4.63:1)
  • AAA: use #034ece as the text (7.04:1)
  • AA: or shift the background to #1f1f1f (4.54:1)
Aaon black
5.78:1passpassfail
  • AAA: use #5995fc as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b82fc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3b82fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b82fc
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 #3b82fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b82fc-9ca6c4-df644e-201f2d-e9f0f1?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