#3B51E7

Color Details

HEX
#3B51E7
RGB
rgb(59, 81, 231)
HSL
hsl(232, 78%, 57%)
CMYK
cmyk(74%, 65%, 0%, 9%)
Best text on this color #FFFFFF (CR 5.97:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51e7
Contrast 3.52:1 Fail
White on #3b51e7
Contrast 5.97:1 AA
#3b51e7 on Black
Contrast 3.52:1 Fail
#3b51e7 on White
Contrast 5.97:1 AA

Tints & Shades

#6274ec
#8997f1
#b1b9f5
#2f41b9
#23318b
#18205c

Complement & Analogous

#e7d03c
#7b3ce7
#3ca8e7

Triadic

#e73c53
#53e73c

Monochrome

#18205c #23318b #3b51e7 #8997f1 #b1b9f5 #d8dcfa

Analogous

#3ca8e7 #77c2ee #3b51e7 #9563ec #7b3ce7 #6230b9

Complementary Mix

#23318b #3b51e7 #8997f1 #e7d03c #efe080 #968727

Nearby Colors

#3b51e6
#3b51e8
#3b51d7
#3b51f7

Embed #3B51E7 swatch

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About #3B51E7

#3B51E7 converts to RGB(59, 81, 231) and HSL(232, 78%, 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).

#3B51E7 FAQs

What is the RGB value of #3B51E7?
RGB: 59, 81, 231. Copy as CSS: rgb(59, 81, 231)
Is #3B51E7 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51E7?
Complement: #e7d03c.
Does #3B51E7 have good contrast on white or black?
On white: 5.97:1 (AA (normal text)). On black: 3.52:1 (AA (large text)).