#0B51E4

Color Details

HEX
#0B51E4
RGB
rgb(11, 81, 228)
HSL
hsl(221, 91%, 47%)
CMYK
cmyk(95%, 64%, 0%, 11%)
Best text on this color #FFFFFF (CR 6.34:1) Determined by WCAG contrast ratio

Readability Previews

Black on #0b51e4
Contrast 3.31:1 Fail
White on #0b51e4
Contrast 6.34:1 AA
#0b51e4 on Black
Contrast 3.31:1 Fail
#0b51e4 on White
Contrast 6.34:1 AA

Tints & Shades

#3c74e9
#6d97ef
#9db9f4
#0941b6
#073189
#04205b

Complement & Analogous

#e5a00b
#330be5
#0bbde5

Triadic

#e50b50
#50e50b

Monochrome

#04205b #073189 #0b51e4 #6d97ef #9db9f4 #cedcfa

Analogous

#0bbde5 #54d1ed #0b51e4 #5c3cea #330be5 #2909b7

Complementary Mix

#073189 #0b51e4 #6d97ef #e5a00b #eec160 #956807

Nearby Colors

#0b51e3
#0b51e5
#0b51d4
#0b51f4

Embed #0B51E4 swatch

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About #0B51E4

#0B51E4 converts to RGB(11, 81, 228) and HSL(221, 91%, 47%). 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).

#0B51E4 FAQs

What is the RGB value of #0B51E4?
RGB: 11, 81, 228. Copy as CSS: rgb(11, 81, 228)
Is #0B51E4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0B51E4?
Complement: #e5a00b.
Does #0B51E4 have good contrast on white or black?
On white: 6.34:1 (AA (normal text)). On black: 3.31:1 (AA (large text)).