brandsweets

Color

#516fd2

#516fd2
hex#516fd2
rgbrgb(81, 111, 210)
hslhsl(226, 59%, 57%)
oklchoklch(0.569 0.156 268.4)
Closest name: God of Rain (#4466cc)Relative luminance 0.1777
CoolModern
Open in palette toolCheck contrast

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →
516fd2d2b451

#d2b451

Analogous

Open in tool →
516fd251b0d27351d2

#51b0d2 · #7351d2

Triadic

Open in tool →
516fd2d2516f6fd251

#d2516f · #6fd251

Split-complementary

Open in tool →
516fd2d27351b0d251

#d27351 · #b0d251

Tetradic

Open in tool →
516fd2d251b0d2b45151d273

#d251b0 · #d2b451 · #51d273

Contrast

#516fd2 as textRatioAAAA largeAAAFix
Aaon white
4.61:1passpassfail
  • AAA: use #3050bb as the text (7.02:1)
Aaon black
4.55:1passpassfail
  • AAA: use #7d94de as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516fd2 as the background.

Brands using this color

Fonts for this mood

#516fd2 reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →
mcpConnect your agent — build around #516fd2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #516fd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516fd2-9ca1c4-df774e-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