Color

#590dfd

#590dfd
hex#590dfd
rgbrgb(89, 13, 253)
hslhsl(259, 98%, 52%)
oklchoklch(0.494 0.291 281.2)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.095

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1fd0d

#0d39fd · #d10dfd

#fd590d · #0dfd59

Split-complementary

Open in tool →

#fdd10d · #39fd0d

#fd0d39 · #b1fd0d · #0dfdd1

Contrast

#590dfd as textRatioAAAA largeAAAFix
Aaon white
7.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #864efd as the text (4.52:1)
  • AAA: use #a881fe as the text (7.24:1)
  • AA: or shift the background to #cccccc (4.51:1)
  • AAA: or shift the background to #fcfcfc (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 #590dfd 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

#590dfd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #590dfd
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 #590dfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/590dfd-ad9cc4-dfc74e-2a1f2d-e9ebf1?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