#3B51CD

Color Details

HEX
#3B51CD
RGB
rgb(59, 81, 205)
HSL
hsl(231, 59%, 52%)
CMYK
cmyk(71%, 60%, 0%, 20%)
Best text on this color #FFFFFF (CR 6.47:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51cd
Contrast 3.24:1 Fail
White on #3b51cd
Contrast 6.47:1 AA
#3b51cd on Black
Contrast 3.24:1 Fail
#3b51cd on White
Contrast 6.47:1 AA

Tints & Shades

#6274d7
#8997e1
#b1b9eb
#2f41a4
#23317b
#182052

Complement & Analogous

#cdb73c
#6f3ccd
#3c9acd

Triadic

#cd3c52
#52cd3c

Monochrome

#182052 #23317b #3b51cd #8997e1 #b1b9eb #d8dcf5

Analogous

#3c9acd #77b8dc #3b51cd #8c63d7 #6f3ccd #5930a4

Complementary Mix

#23317b #3b51cd #8997e1 #cdb73c #dfd080 #857727

Nearby Colors

#3b51cc
#3b51ce
#3b51bd
#3b51dd

Embed #3B51CD swatch

Embed this swatch

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

Open image

About #3B51CD

#3B51CD converts to RGB(59, 81, 205) 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).

#3B51CD FAQs

What is the RGB value of #3B51CD?
RGB: 59, 81, 205. Copy as CSS: rgb(59, 81, 205)
Is #3B51CD a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51CD?
Complement: #cdb73c.
Does #3B51CD have good contrast on white or black?
On white: 6.47:1 (AA (normal text)). On black: 3.24:1 (AA (large text)).