#5B51D8

Color Details

HEX
#5B51D8
RGB
rgb(91, 81, 216)
HSL
hsl(244, 63%, 58%)
CMYK
cmyk(58%, 63%, 0%, 15%)
Best text on this color #FFFFFF (CR 5.81:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51d8
Contrast 3.61:1 Fail
White on #5b51d8
Contrast 5.81:1 AA
#5b51d8 on Black
Contrast 3.61:1 Fail
#5b51d8 on White
Contrast 5.81:1 AA

Tints & Shades

#7c74e0
#9d97e8
#bdb9ef
#4941ad
#373182
#242056

Complement & Analogous

#ced750
#9d50d7
#508bd7

Triadic

#d75950
#50d759

Monochrome

#242056 #373182 #5b51d8 #9d97e8 #bdb9ef #dedcf7

Analogous

#508bd7 #85aee3 #5b51d8 #b173df #9d50d7 #7e40ac

Complementary Mix

#373182 #5b51d8 #9d97e8 #ced750 #dfe58d #868c34

Nearby Colors

#5b51d7
#5b51d9
#5b51c8
#5b51e8

Embed #5B51D8 swatch

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About #5B51D8

#5B51D8 converts to RGB(91, 81, 216) and HSL(244, 63%, 58%). 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).

#5B51D8 FAQs

What is the RGB value of #5B51D8?
RGB: 91, 81, 216. Copy as CSS: rgb(91, 81, 216)
Is #5B51D8 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51D8?
Complement: #ced750.
Does #5B51D8 have good contrast on white or black?
On white: 5.81:1 (AA (normal text)). On black: 3.61:1 (AA (large text)).