Color

#2b216e

#2b216e
hex#2b216e
rgbrgb(43, 33, 110)
hslhsl(248, 54%, 28%)
oklchoklch(0.313 0.127 282.1)
Closest name: Dark Dreams (#332266)Relative luminance 0.0273

Colors that go with #2b216e

Charcoal, Steel Blue and 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 →

#646e21

#213d6e · #52216e

#6e2b21 · #216e2b

Split-complementary

Open in tool →

#6e5221 · #3d6e21

#6e213d · #646e21 · #216e52

Contrast

#2b216e as textRatioAAAA largeAAAFix
Aaon white
13.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #7466d1 as the text (4.56:1)
  • AAA: use #988ddd as the text (7.19:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bababa (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b216e 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

#2b216e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b216e
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 #2b216e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b216e-a69cc4-dfac4e-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