Color

#3582d0

#3582d0
hex#3582d0
rgbrgb(53, 130, 208)
hslhsl(210, 62%, 51%)
oklchoklch(0.597 0.141 251.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2128

Colors that go with #3582d0

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 →

#d08235

#35d0d0 · #3535d0

#d03582 · #82d035

Split-complementary

Open in tool →

#d03535 · #d0d035

#d035d0 · #d08235 · #35d035

Contrast

#3582d0 as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #2e78c2 as the text (4.58:1)
  • AAA: use #225991 as the text (7.23:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.26:1passpassfail
  • AAA: use #5e9cd9 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3582d0 as the background.

Brands using this color

Fonts for this mood

#3582d0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3582d0
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 #3582d0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3582d0-9cabc4-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