#3B51D0

Color Details

HEX
#3B51D0
RGB
rgb(59, 81, 208)
HSL
hsl(231, 61%, 52%)
CMYK
cmyk(72%, 61%, 0%, 18%)
Best text on this color #FFFFFF (CR 6.41:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51d0
Contrast 3.27:1 Fail
White on #3b51d0
Contrast 6.41:1 AA
#3b51d0 on Black
Contrast 3.27:1 Fail
#3b51d0 on White
Contrast 6.41:1 AA

Tints & Shades

#6274d9
#8997e3
#b1b9ec
#2f41a6
#23317d
#182053

Complement & Analogous

#cfb93a
#6e3acf
#3a9bcf

Triadic

#cf3a50
#50cf3a

Monochrome

#182053 #23317d #3b51d0 #8997e3 #b1b9ec #d8dcf6

Analogous

#3a9bcf #75b9dd #3b51d0 #8b61d9 #6e3acf #582ea6

Complementary Mix

#23317d #3b51d0 #8997e3 #cfb93a #e0d27f #877826

Nearby Colors

#3b51cf
#3b51d1
#3b51c0
#3b51e0

Embed #3B51D0 swatch

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About #3B51D0

#3B51D0 converts to RGB(59, 81, 208) and HSL(231, 61%, 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).

#3B51D0 FAQs

What is the RGB value of #3B51D0?
RGB: 59, 81, 208. Copy as CSS: rgb(59, 81, 208)
Is #3B51D0 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51D0?
Complement: #cfb93a.
Does #3B51D0 have good contrast on white or black?
On white: 6.41:1 (AA (normal text)). On black: 3.27:1 (AA (large text)).