Color

#223dec

#223dec
hex#223dec
rgbrgb(34, 61, 236)
hslhsl(232, 84%, 53%)
oklchoklch(0.482 0.258 266.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.0973

Colors that go with #223dec

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 →

#ecd122

#22a2ec · #6c22ec

#ec223d · #3dec22

Split-complementary

Open in tool →

#ec6c22 · #a2ec22

#ec22a2 · #ecd122 · #22ec6c

Contrast

#223dec as textRatioAAAA largeAAAFix
Aaon white
7.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #5167f0 as the text (4.55:1)
  • AAA: use #8090f4 as the text (7.21:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223dec as the background.

Brands using this color

Fonts for this mood

#223dec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223dec
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 #223dec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223dec-9c9dc4-df864e-231f2d-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