Color

#5c58bb

#5c58bb
hex#5c58bb
rgbrgb(92, 88, 187)
hslhsl(242, 42%, 54%)
oklchoklch(0.516 0.151 281.5)
Closest name: slateblue (#6a5acd)Relative luminance 0.1284

Colors that go with #5c58bb

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b8bb58

#5886bb · #8d58bb

#bb5c58 · #58bb5c

Split-complementary

Open in tool →

#bb8d58 · #86bb58

#bb5886 · #b8bb58 · #58bb8d

Contrast

#5c58bb as textRatioAAAA largeAAAFix
Aaon white
5.88:1passpassfail
  • AAA: use #4e4ab5 as the text (7.07:1)
Aaon black
3.57:1failpassfail
  • AA: use #6d6bc2 as the text (4.53:1)
  • AAA: use #918fd1 as the text (7.05:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5c58bb 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

#5c58bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5c58bb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5c58bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5c58bb-a29cc4-df9e4e-261f2d-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