Color

#3287dc

#3287dc
hex#3287dc
rgbrgb(50, 135, 220)
hslhsl(210, 71%, 53%)
oklchoklch(0.615 0.152 251.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2317

Colors that go with #3287dc

Charcoal, Crimson and Copper 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 →

#dc8732

#32dcdc · #3232dc

#dc3287 · #87dc32

Split-complementary

Open in tool →

#dc3232 · #dcdc32

#dc32dc · #dc8732 · #32dc32

Contrast

#3287dc as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #2378cd as the text (4.53:1)
  • AAA: use #1a5999 as the text (7.16:1)
  • AA: or shift the background to #1c1c1c (4.57:1)
Aaon black
5.63:1passpassfail
  • AAA: use #559ce2 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 #3287dc as the background.

Brands using this color

Fonts for this mood

#3287dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3287dc
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 #3287dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3287dc-9cabc4-df514e-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