Color

#0015fa

#0015fa
hex#0015fa
rgbrgb(0, 21, 250)
hslhsl(235, 100%, 49%)
oklchoklch(0.453 0.303 264.2)
Closest name: blue (#0000ff)Relative luminance 0.0744

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fae500

#0092fa · #6800fa

#fa0015 · #15fa00

Split-complementary

Open in tool →

#fa6800 · #92fa00

#fa0092 · #fae500 · #00fa68

Contrast

#0015fa as textRatioAAAA largeAAAFix
Aaon white
8.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #5765ff as the text (4.71:1)
  • AAA: use #858fff as the text (7.37:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0015fa as the background.

Brands using this color

Fonts for this mood

#0015fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0015fa
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 #0015fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0015fa-9e9cc4-df8d4e-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