#3B51D1

Color Details

HEX
#3B51D1
RGB
rgb(59, 81, 209)
HSL
hsl(231, 62%, 53%)
CMYK
cmyk(72%, 61%, 0%, 18%)
Best text on this color #FFFFFF (CR 6.40:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51d1
Contrast 3.28:1 Fail
White on #3b51d1
Contrast 6.40:1 AA
#3b51d1 on Black
Contrast 3.28:1 Fail
#3b51d1 on White
Contrast 6.40:1 AA

Tints & Shades

#6274da
#8997e3
#b1b9ed
#2f41a7
#23317d
#182054

Complement & Analogous

#d1bb3d
#713dd1
#3d9dd1

Triadic

#d13d53
#53d13d

Monochrome

#182054 #23317d #3b51d1 #8997e3 #b1b9ed #d8dcf6

Analogous

#3d9dd1 #77badf #3b51d1 #8d64da #713dd1 #5a31a7

Complementary Mix

#23317d #3b51d1 #8997e3 #d1bb3d #e1d381 #887a28

Nearby Colors

#3b51d0
#3b51d2
#3b51c1
#3b51e1

Embed #3B51D1 swatch

Embed this swatch

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

Open image

About #3B51D1

#3B51D1 converts to RGB(59, 81, 209) and HSL(231, 62%, 53%). 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).

#3B51D1 FAQs

What is the RGB value of #3B51D1?
RGB: 59, 81, 209. Copy as CSS: rgb(59, 81, 209)
Is #3B51D1 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51D1?
Complement: #d1bb3d.
Does #3B51D1 have good contrast on white or black?
On white: 6.40:1 (AA (normal text)). On black: 3.28:1 (AA (large text)).