Color

#2b1ea4

#2b1ea4
hex#2b1ea4
rgbrgb(43, 30, 164)
hslhsl(246, 69%, 38%)
oklchoklch(0.367 0.199 274.7)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0412

Colors that go with #2b1ea4

Blue, Crimson and Denim 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 →

#96a41e

#1e54a4 · #6e1ea4

#a42b1e · #1ea42b

Split-complementary

Open in tool →

#a46e1e · #54a41e

#a41e54 · #96a41e · #1ea46e

Contrast

#2b1ea4 as textRatioAAAA largeAAAFix
Aaon white
11.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #7164e3 as the text (4.63:1)
  • AAA: use #948bea as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.56:1)
  • AAA: or shift the background to #cccccc (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b1ea4 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

#2b1ea4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b1ea4
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 #2b1ea4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b1ea4-a59cc4-dfa74e-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