Color

#583aee

#583aee
hex#583aee
rgbrgb(88, 58, 238)
hslhsl(250, 84%, 58%)
oklchoklch(0.51 0.25 280.4)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1127

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d0ee3a

#3a76ee · #b23aee

#ee583a · #3aee58

Split-complementary

Open in tool →

#eeb23a · #76ee3a

#ee3a76 · #d0ee3a · #3aeeb2

Contrast

#583aee as textRatioAAAA largeAAAFix
Aaon white
6.45:1passpassfail
  • AAA: use #4c2ced as the text (7.27:1)
Aaon black
3.25:1failpassfail
  • AA: use #745bf1 as the text (4.51:1)
  • AAA: use #9c8af5 as the text (7.37:1)
  • AA: or shift the background to #d9d9d9 (4.57:1)

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

#583aee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/583aee-a79cc4-dfb14e-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