Color

#5337cd

#5337cd
hex#5337cd
rgbrgb(83, 55, 205)
hslhsl(251, 60%, 51%)
oklchoklch(0.471 0.216 282.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0898

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2cd37

#3767cd · #9e37cd

#cd5337 · #37cd53

Split-complementary

Open in tool →

#cd9e37 · #67cd37

#cd3767 · #b2cd37 · #37cd9e

Contrast

#5337cd as textRatioAAAA largeAAAFix
Aaon white
7.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #7964d8 as the text (4.63:1)
  • AAA: use #9989e1 as the text (7.02:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5337cd 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

#5337cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5337cd
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 #5337cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5337cd-a89cc4-dfb34e-281f2d-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