#0B51C3

Color Details

HEX
#0B51C3
RGB
rgb(11, 81, 195)
HSL
hsl(217, 89%, 40%)
CMYK
cmyk(94%, 58%, 0%, 24%)
Best text on this color #FFFFFF (CR 7.05:1) Determined by WCAG contrast ratio

Readability Previews

Black on #0b51c3
Contrast 2.98:1 Fail
White on #0b51c3
Contrast 7.05:1 AAA
#0b51c3 on Black
Contrast 2.98:1 Fail
#0b51c3 on White
Contrast 7.05:1 AAA

Tints & Shades

#3c74cf
#6d97db
#9db9e7
#09419c
#073175
#04204e

Complement & Analogous

#c17b0b
#200bc1
#0bacc1

Triadic

#c10b51
#51c10b

Monochrome

#04204e #073175 #0b51c3 #6d97db #9db9e7 #cedcf3

Analogous

#0bacc1 #54c5d4 #0b51c3 #4d3ccd #200bc1 #1a099a

Complementary Mix

#073175 #0b51c3 #6d97db #c17b0b #d7a960 #7d5007

Nearby Colors

#0b51c2
#0b51c4
#0b51b3
#0b51d3

Embed #0B51C3 swatch

Embed this swatch

Use this HTML on your site (free with a link):

Open image

About #0B51C3

#0B51C3 converts to RGB(11, 81, 195) 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).

#0B51C3 FAQs

What is the RGB value of #0B51C3?
RGB: 11, 81, 195. Copy as CSS: rgb(11, 81, 195)
Is #0B51C3 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #0B51C3?
Complement: #c17b0b.
Does #0B51C3 have good contrast on white or black?
On white: 7.05:1 (AAA (normal text)). On black: 2.98:1 (Fails AA).