#5B51D3

Color Details

HEX
#5B51D3
RGB
rgb(91, 81, 211)
HSL
hsl(245, 60%, 57%)
CMYK
cmyk(57%, 62%, 0%, 17%)
Best text on this color #FFFFFF (CR 5.89:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51d3
Contrast 3.56:1 Fail
White on #5b51d3
Contrast 5.89:1 AA
#5b51d3 on Black
Contrast 3.56:1 Fail
#5b51d3 on White
Contrast 5.89:1 AA

Tints & Shades

#7c74dc
#9d97e5
#bdb9ed
#4941a9
#37317f
#242054

Complement & Analogous

#c8d350
#9c50d3
#5086d3

Triadic

#d35b50
#50d35b

Monochrome

#242054 #37317f #5b51d3 #9d97e5 #bdb9ed #dedcf6

Analogous

#5086d3 #85aae0 #5b51d3 #b073dc #9c50d3 #7d40a9

Complementary Mix

#37317f #5b51d3 #9d97e5 #c8d350 #dbe28d #828934

Nearby Colors

#5b51d2
#5b51d4
#5b51c3
#5b51e3

Embed #5B51D3 swatch

Embed this swatch

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

Open image

About #5B51D3

#5B51D3 converts to RGB(91, 81, 211) and HSL(245, 60%, 57%). 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).

#5B51D3 FAQs

What is the RGB value of #5B51D3?
RGB: 91, 81, 211. Copy as CSS: rgb(91, 81, 211)
Is #5B51D3 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51D3?
Complement: #c8d350.
Does #5B51D3 have good contrast on white or black?
On white: 5.89:1 (AA (normal text)). On black: 3.56:1 (AA (large text)).