Color

#5a76dd

#5a76dd
hex#5a76dd
rgbrgb(90, 118, 221)
hslhsl(227, 66%, 61%)
oklchoklch(0.596 0.159 269.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2035

Colors that go with #5a76dd

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 →

#ddc15a

#5ab8dd · #7f5add

#dd5a76 · #76dd5a

Split-complementary

Open in tool →

#dd7f5a · #b8dd5a

#dd5ab8 · #ddc15a · #5add7f

Contrast

#5a76dd as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #516fdb as the text (4.52:1)
  • AAA: use #294bc7 as the text (7.18:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #7c92e4 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a76dd as the background.

Brands using this color

Fonts for this mood

#5a76dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a76dd
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 #5a76dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a76dd-9ca0c4-df7a4e-221f2d-e9eff1?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