Color

#5198c8

#5198c8
hex#5198c8
rgbrgb(81, 152, 200)
hslhsl(204, 52%, 55%)
oklchoklch(0.653 0.101 240.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2838

Colors that go with #5198c8

Charcoal, Bronze 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 →

#c88051

#51c8bc · #515dc8

#c85198 · #98c851

Split-complementary

Open in tool →

#c8515d · #c8bc51

#bc51c8 · #c88051 · #5dc851

Contrast

#5198c8 as textRatioAAAA largeAAAFix
Aaon white
3.15:1failpassfail
  • AA: use #367cab as the text (4.54:1)
  • AAA: use #285d80 as the text (7.08:1)
  • AA: or shift the background to #2b2b2b (4.5:1)
Aaon black
6.68:1passpassfail
  • AAA: use #589dca 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 #5198c8 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

#5198c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5198c8
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 #5198c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5198c8-9cafc4-df4e5a-1f222d-e9f1f0?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