Color

#5a5ace

#5a5ace
hex#5a5ace
rgbrgb(90, 90, 206)
hslhsl(240, 54%, 58%)
oklchoklch(0.532 0.175 278.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1394

Colors that go with #5a5ace

Charcoal, Sea Green and Amber 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 →

#cece5a

#5a94ce · #945ace

#ce5a5a · #5ace5a

Split-complementary

Open in tool →

#ce945a · #94ce5a

#ce5a94 · #cece5a · #5ace94

Contrast

#5a5ace as textRatioAAAA largeAAAFix
Aaon white
5.54:1passpassfail
  • AAA: use #4646c8 as the text (7.07:1)
Aaon black
3.79:1failpassfail
  • AA: use #6a6ad2 as the text (4.61:1)
  • AAA: use #9191de as the text (7.31:1)
  • AA: or shift the background to #e8e8e8 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a5ace 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

#5a5ace reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a5ace
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 #5a5ace and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a5ace-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