Color

#2b0bcb

#2b0bcb
hex#2b0bcb
rgbrgb(43, 11, 203)
hslhsl(250, 90%, 42%)
oklchoklch(0.4 0.252 271.9)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0506

Colors that go with #2b0bcb

Charcoal, Cornflower Blue 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 →

#abcb0b

#0b4bcb · #8b0bcb

#cb2b0b · #0bcb2b

Split-complementary

Open in tool →

#cb8b0b · #4bcb0b

#cb0b4b · #abcb0b · #0bcb8b

Contrast

#2b0bcb as textRatioAAAA largeAAAFix
Aaon white
10.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #745af6 as the text (4.54:1)
  • AAA: use #9986f9 as the text (7.13:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b0bcb 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

#2b0bcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b0bcb
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 #2b0bcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b0bcb-a79cc4-dfb14e-281f2d-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