Color

#604ddb

#604ddb
hex#604ddb
rgbrgb(96, 77, 219)
hslhsl(248, 66%, 58%)
oklchoklch(0.525 0.207 282.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1291

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c8db4d

#4d81db · #a74ddb

#db604d · #4ddb60

Split-complementary

Open in tool →

#dba74d · #81db4d

#db4d81 · #c8db4d · #4ddba7

Contrast

#604ddb as textRatioAAAA largeAAAFix
Aaon white
5.86:1passpassfail
  • AAA: use #513cd7 as the text (7.05:1)
Aaon black
3.58:1failpassfail
  • AA: use #7362df as the text (4.54:1)
  • AAA: use #998de8 as the text (7.33:1)
  • AA: or shift the background to #e3e3e3 (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 #604ddb 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

#604ddb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #604ddb
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 #604ddb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/604ddb-a69cc4-dfac4e-271f2d-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