#3B51EF

Color Details

HEX
#3B51EF
RGB
rgb(59, 81, 239)
HSL
hsl(233, 85%, 58%)
CMYK
cmyk(75%, 66%, 0%, 6%)
Best text on this color #FFFFFF (CR 5.82:1) Determined by WCAG contrast ratio

Readability Previews

Black on #3b51ef
Contrast 3.61:1 Fail
White on #3b51ef
Contrast 5.82:1 AA
#3b51ef on Black
Contrast 3.61:1 Fail
#3b51ef on White
Contrast 5.82:1 AA

Tints & Shades

#6274f2
#8997f5
#b1b9f9
#2f41bf
#23318f
#182060

Complement & Analogous

#efda39
#7f39ef
#39a9ef

Triadic

#ef394e
#4eef39

Monochrome

#182060 #23318f #3b51ef #8997f5 #b1b9f9 #d8dcfc

Analogous

#39a9ef #74c3f4 #3b51ef #9961f2 #7f39ef #662ebf

Complementary Mix

#23318f #3b51ef #8997f5 #efda39 #f5e77e #9b8e25

Nearby Colors

#3b51ee
#3b51f0
#3b51df
#3b51ff

Embed #3B51EF swatch

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About #3B51EF

#3B51EF converts to RGB(59, 81, 239) and HSL(233, 85%, 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).

#3B51EF FAQs

What is the RGB value of #3B51EF?
RGB: 59, 81, 239. Copy as CSS: rgb(59, 81, 239)
Is #3B51EF a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51EF?
Complement: #efda39.
Does #3B51EF have good contrast on white or black?
On white: 5.82:1 (AA (normal text)). On black: 3.61:1 (AA (large text)).