#0B51BF

Color Details

HEX
#0B51BF
RGB
rgb(11, 81, 191)
HSL
hsl(217, 89%, 40%)
CMYK
cmyk(94%, 58%, 0%, 25%)
Best text on this color #FFFFFF (CR 7.13:1) Determined by WCAG contrast ratio

Readability Previews

Black on #0b51bf
Contrast 2.94:1 Fail
White on #0b51bf
Contrast 7.13:1 AAA
#0b51bf on Black
Contrast 2.94:1 Fail
#0b51bf on White
Contrast 7.13:1 AAA

Tints & Shades

#3c74cc
#6d97d9
#9db9e5
#094199
#073173
#04204c

Complement & Analogous

#c17b0b
#200bc1
#0bacc1

Triadic

#c10b51
#51c10b

Monochrome

#04204c #073173 #0b51bf #6d97d9 #9db9e5 #cedcf2

Analogous

#0bacc1 #54c5d4 #0b51bf #4d3ccd #200bc1 #1a099a

Complementary Mix

#073173 #0b51bf #6d97d9 #c17b0b #d7a960 #7d5007

Nearby Colors

#0b51be
#0b51c0
#0b51af
#0b51cf

Embed #0B51BF swatch

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About #0B51BF

#0B51BF converts to RGB(11, 81, 191) and HSL(217, 89%, 40%). 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).

#0B51BF FAQs

What is the RGB value of #0B51BF?
RGB: 11, 81, 191. Copy as CSS: rgb(11, 81, 191)
Is #0B51BF a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0B51BF?
Complement: #c17b0b.
Does #0B51BF have good contrast on white or black?
On white: 7.13:1 (AAA (normal text)). On black: 2.94:1 (Fails AA).