Color

#583ecc

#583ecc
hex#583ecc
rgbrgb(88, 62, 204)
hslhsl(251, 58%, 52%)
oklchoklch(0.483 0.207 283.9)
Closest name: Blurple (#5539cc)Relative luminance 0.0988

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2cc3e

#3e6bcc · #9f3ecc

#cc583e · #3ecc58

Split-complementary

Open in tool →

#cc9f3e · #6bcc3e

#cc3e6b · #b2cc3e · #3ecc9f

Contrast

#583ecc as textRatioAAAA largeAAAFix
Aaon white
7.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #7b66d6 as the text (4.71:1)
  • AAA: use #9a8ae0 as the text (7.09:1)
  • AA: or shift the background to #cfcfcf (4.53:1)
  • AAA: or shift the background to #ffffff (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #583ecc 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

#583ecc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #583ecc
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 #583ecc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/583ecc-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