Color

#5a5eb5

#5a5eb5
hex#5a5eb5
rgbrgb(90, 94, 181)
hslhsl(237, 38%, 53%)
oklchoklch(0.522 0.135 278.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1352

Colors that go with #5a5eb5

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 →

#b5b05a

#5a8cb5 · #835ab5

#b55a5e · #5eb55a

Split-complementary

Open in tool →

#b5835a · #8cb55a

#b55a8c · #b5b05a · #5ab583

Contrast

#5a5eb5 as textRatioAAAA largeAAAFix
Aaon white
5.67:1passpassfail
  • AAA: use #4a4fa5 as the text (7.11:1)
Aaon black
3.7:1failpassfail
  • AA: use #6b6fbd as the text (4.63:1)
  • AAA: use #8e91cc as the text (7.07:1)
  • AA: or shift the background to #e6e6e6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a5eb5 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

#5a5eb5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a5eb5
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 #5a5eb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a5eb5-9f9cc4-df924e-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