#3B51EE

Color Details

HEX
#3B51EE
RGB
rgb(59, 81, 238)
HSL
hsl(233, 84%, 58%)
CMYK
cmyk(75%, 66%, 0%, 7%)
Best text on this color #FFFFFF (CR 5.84:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51ee
Contrast 3.60:1 Fail
White on #3b51ee
Contrast 5.84:1 AA
#3b51ee on Black
Contrast 3.60:1 Fail
#3b51ee on White
Contrast 5.84:1 AA

Tints & Shades

#6274f1
#8997f5
#b1b9f8
#2f41be
#23318f
#18205f

Complement & Analogous

#eed93a
#7f3aee
#3aa9ee

Triadic

#ee3a4f
#4fee3a

Monochrome

#18205f #23318f #3b51ee #8997f5 #b1b9f8 #d8dcfc

Analogous

#3aa9ee #75c3f3 #3b51ee #9961f1 #7f3aee #662ebe

Complementary Mix

#23318f #3b51ee #8997f5 #eed93a #f4e67f #9b8d26

Nearby Colors

#3b51ed
#3b51ef
#3b51de
#3b51fe

Embed #3B51EE swatch

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About #3B51EE

#3B51EE converts to RGB(59, 81, 238) and HSL(233, 84%, 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).

#3B51EE FAQs

What is the RGB value of #3B51EE?
RGB: 59, 81, 238. Copy as CSS: rgb(59, 81, 238)
Is #3B51EE a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51EE?
Complement: #eed93a.
Does #3B51EE have good contrast on white or black?
On white: 5.84:1 (AA (normal text)). On black: 3.60:1 (AA (large text)).