Color

#333edb

#333edb
hex#333edb
rgbrgb(51, 62, 219)
hslhsl(236, 70%, 53%)
oklchoklch(0.473 0.233 270.5)
Closest name: Blurple (#5539cc)Relative luminance 0.0926

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbd033

#3392db · #7c33db

#db333e · #3edb33

Split-complementary

Open in tool →

#db7c33 · #92db33

#db3392 · #dbd033 · #33db7c

Contrast

#333edb as textRatioAAAA largeAAAFix
Aaon white
7.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #5f67e3 as the text (4.54:1)
  • AAA: use #8a90ea as the text (7.26:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (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 #333edb 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

#333edb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #333edb
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 #333edb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/333edb-9e9cc4-df8f4e-241f2d-e9eef1?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