Color

#516ae6

#516ae6
hex#516ae6
rgbrgb(81, 106, 230)
hslhsl(230, 75%, 61%)
oklchoklch(0.573 0.189 270.7)
Closest name: royalblue (#4169e1)Relative luminance 0.1777

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6cd51

#51b4e6 · #8351e6

#e6516a · #6ae651

Split-complementary

Open in tool →

#e68351 · #b4e651

#e651b4 · #e6cd51 · #51e683

Contrast

#516ae6 as textRatioAAAA largeAAAFix
Aaon white
4.61:1passpassfail
  • AAA: use #2444e0 as the text (7.05:1)
Aaon black
4.55:1passpassfail
  • AAA: use #7e90ed as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516ae6 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

#516ae6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #516ae6
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 #516ae6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516ae6-9c9ec4-df814e-231f2d-e9eef1?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