Color

#2b15bc

#2b15bc
hex#2b15bc
rgbrgb(43, 21, 188)
hslhsl(248, 80%, 41%)
oklchoklch(0.387 0.232 272.9)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0468

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6bc15

#1552bc · #7f15bc

#bc2b15 · #15bc2b

Split-complementary

Open in tool →

#bc7f15 · #52bc15

#bc1552 · #a6bc15 · #15bc7f

Contrast

#2b15bc as textRatioAAAA largeAAAFix
Aaon white
10.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #715eed as the text (4.53:1)
  • AAA: use #9688f2 as the text (7.1:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b15bc 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

#2b15bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b15bc
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 #2b15bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b15bc-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