Color

#2b20a7

#2b20a7
hex#2b20a7
rgbrgb(43, 32, 167)
hslhsl(245, 68%, 39%)
oklchoklch(0.372 0.201 274.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0434

Colors that go with #2b20a7

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 →

#9ca720

#2058a7 · #6f20a7

#a72b20 · #20a72b

Split-complementary

Open in tool →

#a76f20 · #58a720

#a72058 · #9ca720 · #20a76f

Contrast

#2b20a7 as textRatioAAAA largeAAAFix
Aaon white
11.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #6f65e2 as the text (4.64:1)
  • AAA: use #938be9 as the text (7.11:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cccccc (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 #2b20a7 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

#2b20a7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b20a7
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 #2b20a7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b20a7-a49cc4-dfa54e-261f2d-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