Color

#2b0de7

#2b0de7
hex#2b0de7
rgbrgb(43, 13, 231)
hslhsl(248, 89%, 48%)
oklchoklch(0.436 0.279 270.1)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0657

Colors that go with #2b0de7

Charcoal, Crimson and Cobalt 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 →

#cae70d

#0d5de7 · #970de7

#e72b0d · #0de72b

Split-complementary

Open in tool →

#e7970d · #5de70d

#e70d5d · #cae70d · #0de797

Contrast

#2b0de7 as textRatioAAAA largeAAAFix
Aaon white
9.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #705bf5 as the text (4.5:1)
  • AAA: use #9687f8 as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.57:1)
  • AAA: or shift the background to #e3e3e3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b0de7 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

#2b0de7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b0de7
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 #2b0de7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b0de7-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