Color

#055dff

#055dff
hex#055dff
rgbrgb(5, 93, 255)
hslhsl(219, 100%, 51%)
oklchoklch(0.547 0.251 262.1)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1508

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffa805

#05daff · #2b05ff

#ff055d · #5dff05

Split-complementary

Open in tool →

#ff2b05 · #daff05

#ff05da · #ffa805 · #05ff2b

Contrast

#055dff as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #004bd6 as the text (7.05:1)
Aaon black
4.02:1failpassfail
  • AA: use #1a6aff as the text (4.55:1)
  • AAA: use #5c95ff as the text (7.2:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #055dff as the background.

Brands using this color

Fonts for this mood

#055dff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #055dff
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 #055dff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/055dff-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