Color

#1663fe

#1663fe
hex#1663fe
rgbrgb(22, 99, 254)
hslhsl(220, 99%, 54%)
oklchoklch(0.559 0.241 262.3)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1625

Tints & shades

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

Harmonies

Complementary

Open in tool →

#feb016

#16d7fe · #3c16fe

#fe1663 · #63fe16

Split-complementary

Open in tool →

#fe3c16 · #d7fe16

#fe16d7 · #feb016 · #16fe3c

Contrast

#1663fe as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #0149da as the text (7.08:1)
Aaon black
4.25:1failpassfail
  • AA: use #206afe as the text (4.55:1)
  • AAA: use #5d92fe as the text (7.01:1)
  • AA: or shift the background to #f5f5f5 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1663fe as the background.

Brands using this color

Fonts for this mood

#1663fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1663fe
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 #1663fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1663fe-9ca5c4-df694e-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