#3B51CF

Color Details

HEX
#3B51CF
RGB
rgb(59, 81, 207)
HSL
hsl(231, 61%, 52%)
CMYK
cmyk(71%, 61%, 0%, 19%)
Best text on this color #FFFFFF (CR 6.43:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51cf
Contrast 3.26:1 Fail
White on #3b51cf
Contrast 6.43:1 AA
#3b51cf on Black
Contrast 3.26:1 Fail
#3b51cf on White
Contrast 6.43:1 AA

Tints & Shades

#6274d9
#8997e2
#b1b9ec
#2f41a6
#23317c
#182053

Complement & Analogous

#cfb93a
#6e3acf
#3a9bcf

Triadic

#cf3a50
#50cf3a

Monochrome

#182053 #23317c #3b51cf #8997e2 #b1b9ec #d8dcf5

Analogous

#3a9bcf #75b9dd #3b51cf #8b61d9 #6e3acf #582ea6

Complementary Mix

#23317c #3b51cf #8997e2 #cfb93a #e0d27f #877826

Nearby Colors

#3b51ce
#3b51d0
#3b51bf
#3b51df

Embed #3B51CF swatch

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About #3B51CF

#3B51CF converts to RGB(59, 81, 207) 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).

#3B51CF FAQs

What is the RGB value of #3B51CF?
RGB: 59, 81, 207. Copy as CSS: rgb(59, 81, 207)
Is #3B51CF a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51CF?
Complement: #cfb93a.
Does #3B51CF have good contrast on white or black?
On white: 6.43:1 (AA (normal text)). On black: 3.26:1 (AA (large text)).