#0B51B4

Color Details

HEX
#0B51B4
RGB
rgb(11, 81, 180)
HSL
hsl(215, 88%, 37%)
CMYK
cmyk(94%, 55%, 0%, 29%)
Best text on this color #FFFFFF (CR 7.37:1) Determined by WCAG contrast ratio

Complement & Analogous

Monochrome

Analogous

Complementary Mix

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About #0B51B4

#0B51B4 converts to RGB(11, 81, 180) and HSL(215, 88%, 37%). 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).

#0B51B4 FAQs

What is the RGB value of #0B51B4?
RGB: 11, 81, 180. Copy as CSS: rgb(11, 81, 180)
Is #0B51B4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0B51B4?
Complement: #b16c0b.
Does #0B51B4 have good contrast on white or black?
On white: 7.37:1 (AAA (normal text)). On black: 2.85:1 (Fails AA).