Color

#204cf8

#204cf8
hex#204cf8
rgbrgb(32, 76, 248)
hslhsl(228, 94%, 55%)
oklchoklch(0.516 0.257 265.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1225

Colors that go with #204cf8

Charcoal, Crimson 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 →

#f8cd20

#20b7f8 · #6120f8

#f8204c · #4cf820

Split-complementary

Open in tool →

#f86120 · #b7f820

#f820b7 · #f8cd20 · #20f861

Contrast

#204cf8 as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #0838f7 as the text (7.19:1)
Aaon black
3.45:1failpassfail
  • AA: use #4367f9 as the text (4.55:1)
  • AAA: use #748ffb as the text (7.06:1)
  • AA: or shift the background to #dedede (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #204cf8 as the background.

Brands using this color

Fonts for this mood

#204cf8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #204cf8
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 #204cf8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/204cf8-9c9fc4-df7c4e-231f2d-e9eff1?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