Color

#5397e4

#5397e4
hex#5397e4
rgbrgb(83, 151, 228)
hslhsl(212, 73%, 61%)
oklchoklch(0.666 0.134 253)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2957

Colors that go with #5397e4

Charcoal, Medium Sea Green and Peru 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 →

#e4a053

#53dfe4 · #5853e4

#e45397 · #97e453

Split-complementary

Open in tool →

#e45853 · #dfe453

#e453df · #e4a053 · #53e458

Contrast

#5397e4 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #2174d4 as the text (4.65:1)
  • AAA: use #19579f as the text (7.23:1)
  • AA: or shift the background to #2b2b2b (4.66:1)
Aaon black
6.91:1passpassfail
  • AAA: use #5799e5 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 #5397e4 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

#5397e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5397e4
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 #5397e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5397e4-9caac4-df564e-1f202d-e9f1f1?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