#3B51CC

Color Details

HEX
#3B51CC
RGB
rgb(59, 81, 204)
HSL
hsl(231, 59%, 52%)
CMYK
cmyk(71%, 60%, 0%, 20%)
Best text on this color #FFFFFF (CR 6.49:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51cc
Contrast 3.23:1 Fail
White on #3b51cc
Contrast 6.49:1 AA
#3b51cc on Black
Contrast 3.23:1 Fail
#3b51cc on White
Contrast 6.49:1 AA

Tints & Shades

#6274d6
#8997e0
#b1b9eb
#2f41a3
#23317a
#182052

Complement & Analogous

#cdb73c
#6f3ccd
#3c9acd

Triadic

#cd3c52
#52cd3c

Monochrome

#182052 #23317a #3b51cc #8997e0 #b1b9eb #d8dcf5

Analogous

#3c9acd #77b8dc #3b51cc #8c63d7 #6f3ccd #5930a4

Complementary Mix

#23317a #3b51cc #8997e0 #cdb73c #dfd080 #857727

Nearby Colors

#3b51cb
#3b51cd
#3b51bc
#3b51dc

Embed #3B51CC swatch

Embed this swatch

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

Open image

About #3B51CC

#3B51CC converts to RGB(59, 81, 204) and HSL(231, 59%, 52%). 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).

#3B51CC FAQs

What is the RGB value of #3B51CC?
RGB: 59, 81, 204. Copy as CSS: rgb(59, 81, 204)
Is #3B51CC a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51CC?
Complement: #cdb73c.
Does #3B51CC have good contrast on white or black?
On white: 6.49:1 (AA (normal text)). On black: 3.23:1 (AA (large text)).