Color

#2b0fff

#2b0fff
hex#2b0fff
rgbrgb(43, 15, 255)
hslhsl(247, 100%, 53%)
oklchoklch(0.467 0.303 268.9)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0808

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e3ff0f

#0f6bff · #a30fff

#ff2b0f · #0fff2b

Split-complementary

Open in tool →

#ffa30f · #6bff0f

#ff0f6b · #e3ff0f · #0fffa3

Contrast

#2b0fff as textRatioAAAA largeAAAFix
Aaon white
8.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #6f5cff as the text (4.65:1)
  • AAA: use #9385ff as the text (7.04:1)
  • AA: or shift the background to #c2c2c2 (4.51:1)
  • AAA: or shift the background to #f0f0f0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b0fff as the background.

Brands using this color

Fonts for this mood

#2b0fff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b0fff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2b0fff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b0fff-a59cc4-dfaa4e-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