Color

#0019fa

#0019fa
hex#0019fa
rgbrgb(0, 25, 250)
hslhsl(234, 100%, 49%)
oklchoklch(0.456 0.301 264.2)
Closest name: blue (#0000ff)Relative luminance 0.076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fae100

#0096fa · #6400fa

#fa0019 · #19fa00

Split-complementary

Open in tool →

#fa6400 · #96fa00

#fa0096 · #fae100 · #00fa64

Contrast

#0019fa as textRatioAAAA largeAAAFix
Aaon white
8.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #5263ff as the text (4.59:1)
  • AAA: use #808cff as the text (7.11:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0019fa as the background.

Brands using this color

Fonts for this mood

#0019fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0019fa
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 #0019fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0019fa-9d9cc4-df8a4e-241f2d-e9eef1?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