Color

#5192fb

#5192fb
hex#5192fb
rgbrgb(81, 146, 251)
hslhsl(217, 96%, 65%)
oklchoklch(0.668 0.17 259.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2927

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbba50

#50e7fb · #6450fb

#fb5092 · #92fb50

Split-complementary

Open in tool →

#fb6450 · #e7fb50

#fb50e7 · #fbba50 · #50fb64

Contrast

#5192fb as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #146cfa as the text (4.61:1)
  • AAA: use #044fc8 as the text (7.1:1)
  • AA: or shift the background to #2b2b2b (4.62:1)
Aaon black
6.85:1passpassfail
  • AAA: use #5595fc 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 #5192fb 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

#5192fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5192fb
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 #5192fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5192fb-9ca7c4-df624e-201f2d-e9f0f1?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