Color

#203afe

#203afe
hex#203afe
rgbrgb(32, 58, 254)
hslhsl(233, 99%, 56%)
oklchoklch(0.497 0.281 266.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1049

Colors that go with #203afe

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 →

#fee420

#20a9fe · #7520fe

#fe203a · #3afe20

Split-complementary

Open in tool →

#fe7520 · #a9fe20

#fe20a9 · #fee420 · #20fe75

Contrast

#203afe as textRatioAAAA largeAAAFix
Aaon white
6.78:1passpassfail
  • AAA: use #1b35fe as the text (7.03:1)
Aaon black
3.1:1failpassfail
  • AA: use #5266fe as the text (4.69:1)
  • AAA: use #808ffe as the text (7.28:1)
  • AA: or shift the background to #d4d4d4 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #203afe as the background.

Brands using this color

Fonts for this mood

#203afe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #203afe
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 #203afe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/203afe-9c9cc4-df884e-241f2d-e9eef1?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