Color

#5185cd

#5185cd
hex#5185cd
rgbrgb(81, 133, 205)
hslhsl(215, 55%, 56%)
oklchoklch(0.613 0.123 256.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2293

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd9951

#51c2cd · #5b51cd

#cd5185 · #85cd51

Split-complementary

Open in tool →

#cd5b51 · #c2cd51

#cd51c2 · #cd9951 · #51cd5b

Contrast

#5185cd as textRatioAAAA largeAAAFix
Aaon white
3.76:1failpassfail
  • AA: use #3d77c7 as the text (4.5:1)
  • AAA: use #2c5896 as the text (7.13:1)
  • AA: or shift the background to #1c1c1c (4.53:1)
Aaon black
5.59:1passpassfail
  • AAA: use #6d98d5 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 #5185cd 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

#5185cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5185cd
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 #5185cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5185cd-9ca8c4-df5d4e-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