Color

#558aec

#558aec
hex#558aec
rgbrgb(85, 138, 236)
hslhsl(219, 80%, 63%)
oklchoklch(0.644 0.158 261.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2616

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecb755

#55d5ec · #6c55ec

#ec558a · #8aec55

Split-complementary

Open in tool →

#ec6c55 · #d5ec55

#ec55d5 · #ecb755 · #55ec6c

Contrast

#558aec as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #3071e8 as the text (4.51:1)
  • AAA: use #1551c1 as the text (7.05:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.23:1passpassfail
  • AAA: use #6897ee as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558aec 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

#558aec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #558aec
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 #558aec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558aec-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