Color

#0571ff

#0571ff
hex#0571ff
rgbrgb(5, 113, 255)
hslhsl(214, 100%, 51%)
oklchoklch(0.585 0.228 259.3)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1906

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff9305

#05eeff · #1605ff

#ff0571 · #71ff05

Split-complementary

Open in tool →

#ff1605 · #eeff05

#ff05ee · #ff9305 · #05ff16

Contrast

#0571ff as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #006cfa as the text (4.64:1)
  • AAA: use #0052bd as the text (7.14:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.81:1passpassfail
  • AAA: use #4797ff as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0571ff as the background.

Brands using this color

Fonts for this mood

#0571ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0571ff
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 #0571ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0571ff-9ca9c4-df5a4e-1f1f2d-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