Color

#3a33ff

#3a33ff
hex#3a33ff
rgbrgb(58, 51, 255)
hslhsl(242, 100%, 60%)
oklchoklch(0.501 0.281 271.3)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.1049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f8ff33

#3392ff · #a033ff

#ff3a33 · #33ff3a

Split-complementary

Open in tool →

#ffa033 · #92ff33

#ff3392 · #f8ff33 · #33ffa0

Contrast

#3a33ff as textRatioAAAA largeAAAFix
Aaon white
6.78:1passpassfail
  • AAA: use #352eff as the text (7.03:1)
Aaon black
3.1:1failpassfail
  • AA: use #6661ff as the text (4.72:1)
  • AAA: use #8e8aff as the text (7.23:1)
  • AA: or shift the background to #d4d4d4 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a33ff 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

#3a33ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a33ff
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 #3a33ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a33ff-a29cc4-df9e4e-261f2d-e9edf1?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