Color

#5973d4

#5973d4
hex#5973d4
rgbrgb(89, 115, 212)
hslhsl(227, 59%, 59%)
oklchoklch(0.583 0.151 269.9)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1914

Colors that go with #5973d4

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 →

#d4b959

#59b1d4 · #7c59d4

#d45973 · #73d459

Split-complementary

Open in tool →

#d47c59 · #b1d459

#d459b1 · #d4b959 · #59d47c

Contrast

#5973d4 as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #5570d3 as the text (4.52:1)
  • AAA: use #304ebb as the text (7.16:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #7d92de as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5973d4 as the background.

Brands using this color

Fonts for this mood

#5973d4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5973d4
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 #5973d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5973d4-9ca0c4-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