Color

#583f92

#583f92
hex#583f92
rgbrgb(88, 63, 146)
hslhsl(258, 40%, 41%)
oklchoklch(0.438 0.131 294.2)
Closest name: Blueberry (#464196)Relative luminance 0.0771

Tints & shades

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

Harmonies

Complementary

Open in tool →

#79923f

#3f4f92 · #823f92

#92583f · #3f9258

Split-complementary

Open in tool →

#92823f · #4f923f

#923f4f · #79923f · #3f9282

Contrast

#583f92 as textRatioAAAA largeAAAFix
Aaon white
8.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.54:1failfailfail
  • AA: use #8065bd as the text (4.51:1)
  • AAA: use #a08dce as the text (7.2:1)
  • AA: or shift the background to #c2c2c2 (4.64:1)
  • AAA: or shift the background to #ededed (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 #583f92 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

#583f92 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #583f92
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 #583f92 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/583f92-ad9cc4-dfc44e-291f2d-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