Color

#0554ff

#0554ff
hex#0554ff
rgbrgb(5, 84, 255)
hslhsl(221, 100%, 51%)
oklchoklch(0.532 0.26 262.9)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1359

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffb005

#05d1ff · #3305ff

#ff0554 · #54ff05

Split-complementary

Open in tool →

#ff3305 · #d1ff05

#ff05d1 · #ffb005 · #05ff33

Contrast

#0554ff as textRatioAAAA largeAAAFix
Aaon white
5.65:1passpassfail
  • AAA: use #0047e0 as the text (7.05:1)
Aaon black
3.72:1failpassfail
  • AA: use #2469ff as the text (4.54:1)
  • AAA: use #6193ff as the text (7.13:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0554ff as the background.

Brands using this color

Fonts for this mood

#0554ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0554ff
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 #0554ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0554ff-9ca4c4-df6b4e-211f2d-e9eff1?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