#0B51BA
Color Details
HEX
#0B51BA
RGB
rgb(11, 81, 186)
HSL
hsl(216, 89%, 39%)
CMYK
cmyk(94%, 56%, 0%, 27%)
Best text on this color
#FFFFFF (CR 7.24:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #0B51BA
#0B51BA converts to RGB(11, 81, 186) and HSL(216, 89%, 39%). 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).
#0B51BA FAQs
What is the RGB value of #0B51BA?
RGB: 11, 81, 186. Copy as CSS:
rgb(11, 81, 186)
Is #0B51BA a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0B51BA?
Complement: #bc750b.
Does #0B51BA have good contrast on white or black?
On white: 7.24:1 (AAA (normal text)).
On black: 2.90:1 (Fails AA).