#3B51EC

Color Details

HEX
#3B51EC
RGB
rgb(59, 81, 236)
HSL
hsl(233, 82%, 58%)
CMYK
cmyk(75%, 66%, 0%, 7%)
Best text on this color #FFFFFF (CR 5.88:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51ec
Contrast 3.57:1 Fail
White on #3b51ec
Contrast 5.88:1 AA
#3b51ec on Black
Contrast 3.57:1 Fail
#3b51ec on White
Contrast 5.88:1 AA

Tints & Shades

#6274f0
#8997f4
#b1b9f7
#2f41bd
#23318e
#18205e

Complement & Analogous

#ecd73c
#7f3cec
#3ca8ec

Triadic

#ec3c51
#51ec3c

Monochrome

#18205e #23318e #3b51ec #8997f4 #b1b9f7 #d8dcfb

Analogous

#3ca8ec #77c2f2 #3b51ec #9963f0 #7f3cec #6630bd

Complementary Mix

#23318e #3b51ec #8997f4 #ecd73c #f3e580 #998c27

Nearby Colors

#3b51eb
#3b51ed
#3b51dc
#3b51fc

Embed #3B51EC swatch

Embed this swatch

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

Open image

About #3B51EC

#3B51EC converts to RGB(59, 81, 236) and HSL(233, 82%, 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).

#3B51EC FAQs

What is the RGB value of #3B51EC?
RGB: 59, 81, 236. Copy as CSS: rgb(59, 81, 236)
Is #3B51EC a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51EC?
Complement: #ecd73c.
Does #3B51EC have good contrast on white or black?
On white: 5.88:1 (AA (normal text)). On black: 3.57:1 (AA (large text)).