Color

#5959cf

#5959cf
hex#5959cf
rgbrgb(89, 89, 207)
hslhsl(240, 55%, 58%)
oklchoklch(0.53 0.178 278.5)
Closest name: slateblue (#6a5acd)Relative luminance 0.1377

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfcf59

#5994cf · #9459cf

#cf5959 · #59cf59

Split-complementary

Open in tool →

#cf9459 · #94cf59

#cf5994 · #cfcf59 · #59cf94

Contrast

#5959cf as textRatioAAAA largeAAAFix
Aaon white
5.59:1passpassfail
  • AAA: use #4545c9 as the text (7.12:1)
Aaon black
3.75:1failpassfail
  • AA: use #6969d3 as the text (4.56:1)
  • AAA: use #9090df as the text (7.24:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5959cf 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

#5959cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5959cf
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 #5959cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5959cf-a19cc4-df994e-251f2d-e9edf1?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