#0B51E3

Color Details

HEX
#0B51E3
RGB
rgb(11, 81, 227)
HSL
hsl(221, 91%, 47%)
CMYK
cmyk(95%, 64%, 0%, 11%)
Best text on this color #FFFFFF (CR 6.36:1) Determined by WCAG contrast ratio

Readability Previews

Black on #0b51e3
Contrast 3.30:1 Fail
White on #0b51e3
Contrast 6.36:1 AA
#0b51e3 on Black
Contrast 3.30:1 Fail
#0b51e3 on White
Contrast 6.36:1 AA

Tints & Shades

#3c74e9
#6d97ee
#9db9f4
#0941b6
#073188
#04205b

Complement & Analogous

#e5a00b
#330be5
#0bbde5

Triadic

#e50b50
#50e50b

Monochrome

#04205b #073188 #0b51e3 #6d97ee #9db9f4 #cedcf9

Analogous

#0bbde5 #54d1ed #0b51e3 #5c3cea #330be5 #2909b7

Complementary Mix

#073188 #0b51e3 #6d97ee #e5a00b #eec160 #956807

Nearby Colors

#0b51e2
#0b51e4
#0b51d3
#0b51f3

Embed #0B51E3 swatch

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About #0B51E3

#0B51E3 converts to RGB(11, 81, 227) 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).

#0B51E3 FAQs

What is the RGB value of #0B51E3?
RGB: 11, 81, 227. Copy as CSS: rgb(11, 81, 227)
Is #0B51E3 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0B51E3?
Complement: #e5a00b.
Does #0B51E3 have good contrast on white or black?
On white: 6.36:1 (AA (normal text)). On black: 3.30:1 (AA (large text)).