Color

#0213ac

#0213ac
hex#0213ac
rgbrgb(2, 19, 172)
hslhsl(234, 98%, 34%)
oklchoklch(0.349 0.225 264.5)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0346

Colors that go with #0213ac

Charcoal, Crimson and Cornflower Blue 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 →

#ac9b02

#0268ac · #4602ac

#ac0213 · #13ac02

Split-complementary

Open in tool →

#ac4602 · #68ac02

#ac0268 · #ac9b02 · #02ac46

Contrast

#0213ac as textRatioAAAA largeAAAFix
Aaon white
12.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #5364fd as the text (4.61:1)
  • AAA: use #818dfe as the text (7.17:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0213ac as the background.

Brands using this color

Fonts for this mood

#0213ac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0213ac
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 #0213ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0213ac-9d9cc4-df8a4e-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