Color

#359df8

#359df8
hex#359df8
rgbrgb(53, 157, 248)
hslhsl(208, 93%, 59%)
oklchoklch(0.681 0.164 249.3)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3165

Colors that go with #359df8

Charcoal, Tomato and Peru 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 →

#f89035

#35f8f1 · #353cf8

#f8359d · #9df835

Split-complementary

Open in tool →

#f8353c · #f8f135

#f135f8 · #f89035 · #3cf835

Contrast

#359df8 as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #0877d9 as the text (4.52:1)
  • AAA: use #0659a2 as the text (7.1:1)
  • AA: or shift the background to #303030 (4.61:1)
  • AAA: or shift the background to #050505 (7.11:1)
Aaon black
7.33:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #359df8 as the background.

Brands using this color

Fonts for this mood

#359df8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #359df8
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 #359df8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/359df8-9cadc4-df4e51-1f212d-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