#5B51E5

Color Details

HEX
#5B51E5
RGB
rgb(91, 81, 229)
HSL
hsl(244, 74%, 61%)
CMYK
cmyk(60%, 65%, 0%, 10%)
Best text on this color #FFFFFF (CR 5.60:1) Determined by WCAG contrast ratio

Complement & Analogous

Monochrome

Analogous

Complementary Mix

Embed #5B51E5 swatch

Embed this swatch

Use this HTML on your site (free with a link):

Open image

About #5B51E5

#5B51E5 converts to RGB(91, 81, 229) and HSL(244, 74%, 61%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#5B51E5 FAQs

What is the RGB value of #5B51E5?
RGB: 91, 81, 229. Copy as CSS: rgb(91, 81, 229)
Is #5B51E5 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51E5?
Complement: #dbe552.
Does #5B51E5 have good contrast on white or black?
On white: 5.60:1 (AA (normal text)). On black: 3.75:1 (AA (large text)).