Color

#5a74dd

#5a74dd
hex#5a74dd
rgbrgb(90, 116, 221)
hslhsl(228, 66%, 61%)
oklchoklch(0.592 0.162 270.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1988

Colors that go with #5a74dd

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 →

#ddc35a

#5ab6dd · #815add

#dd5a74 · #74dd5a

Split-complementary

Open in tool →

#dd815a · #b6dd5a

#dd5ab6 · #ddc35a · #5add81

Contrast

#5a74dd as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #516ddb as the text (4.61:1)
  • AAA: use #2a4acb as the text (7.14:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.98:1passpassfail
  • AAA: use #7c91e4 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a74dd as the background.

Brands using this color

Fonts for this mood

#5a74dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a74dd
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 #5a74dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a74dd-9c9fc4-df7c4e-231f2d-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