#5B51B5

Color Details

HEX
#5B51B5
RGB
rgb(91, 81, 181)
HSL
hsl(246, 40%, 51%)
CMYK
cmyk(50%, 55%, 0%, 29%)
Best text on this color #FFFFFF (CR 6.38:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51b5
Contrast 3.29:1 Fail
White on #5b51b5
Contrast 6.38:1 AA
#5b51b5 on Black
Contrast 3.29:1 Fail
#5b51b5 on White
Contrast 6.38:1 AA

Tints & Shades

#7c74c4
#9d97d3
#bdb9e1
#494191
#37316d
#242048

Complement & Analogous

#aab450
#8c50b4
#5078b4

Triadic

#b45a50
#50b45a

Monochrome

#242048 #37316d #5b51b5 #9d97d3 #bdb9e1 #dedcf0

Analogous

#5078b4 #85a1cb #5b51b5 #a373c3 #8c50b4 #704090

Complementary Mix

#37316d #5b51b5 #9d97d3 #aab450 #c8ce8d #6f7534

Nearby Colors

#5b51b4
#5b51b6
#5b51a5
#5b51c5

Embed #5B51B5 swatch

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About #5B51B5

#5B51B5 converts to RGB(91, 81, 181) and HSL(246, 40%, 51%). 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).

#5B51B5 FAQs

What is the RGB value of #5B51B5?
RGB: 91, 81, 181. Copy as CSS: rgb(91, 81, 181)
Is #5B51B5 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51B5?
Complement: #aab450.
Does #5B51B5 have good contrast on white or black?
On white: 6.38:1 (AA (normal text)). On black: 3.29:1 (AA (large text)).