Color

#5182db

#5182db
hex#5182db
rgbrgb(81, 130, 219)
hslhsl(219, 66%, 59%)
oklchoklch(0.615 0.145 261.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2283

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbab51

#51c7db · #6651db

#db5182 · #82db51

Split-complementary

Open in tool →

#db6651 · #c7db51

#db51c7 · #dbab51 · #51db66

Contrast

#5182db as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #3c72d7 as the text (4.58:1)
  • AAA: use #2454ae as the text (7.11:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #6f97e2 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5182db 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

#5182db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5182db
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 #5182db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5182db-9ca5c4-df664e-211f2d-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