Color

#211386

#211386
hex#211386
rgbrgb(33, 19, 134)
hslhsl(247, 75%, 30%)
oklchoklch(0.312 0.174 274.8)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0251

Colors that go with #211386

Steel Blue, Blue and Charcoal 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 →

#788613

#133f86 · #5a1386

#862113 · #138621

Split-complementary

Open in tool →

#865a13 · #3f8613

#86133f · #788613 · #13865a

Contrast

#211386 as textRatioAAAA largeAAAFix
Aaon white
13.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #7263e9 as the text (4.68:1)
  • AAA: use #978bee as the text (7.24:1)
  • AA: or shift the background to #949494 (4.61:1)
  • AAA: or shift the background to #b8b8b8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211386 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#211386 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211386
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 #211386 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211386-a59cc4-dfaa4e-271f2d-e9ecf1?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