Color

#5170c8

#5170c8
hex#5170c8
rgbrgb(81, 112, 200)
hslhsl(224, 52%, 55%)
oklchoklch(0.565 0.141 267.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1751

Colors that go with #5170c8

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 →

#c8a851

#51acc8 · #6c51c8

#c85170 · #70c851

Split-complementary

Open in tool →

#c86c51 · #acc851

#c851ac · #c8a851 · #51c86c

Contrast

#5170c8 as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #3553a7 as the text (7.13:1)
Aaon black
4.5:1passpassfail
  • AAA: use #7f96d7 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5170c8 as the background.

Brands using this color

Fonts for this mood

#5170c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5170c8
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 #5170c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5170c8-9ca2c4-df724e-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