#1B51B6

Color Details

HEX
#1B51B6
RGB
rgb(27, 81, 182)
HSL
hsl(219, 74%, 41%)
CMYK
cmyk(85%, 55%, 0%, 29%)
Best text on this color #FFFFFF (CR 7.24:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b51b6
Contrast 2.90:1 Fail
White on #1b51b6
Contrast 7.24:1 AAA
#1b51b6 on Black
Contrast 2.90:1 Fail
#1b51b6 on White
Contrast 7.24:1 AAA

Tints & Shades

#4974c5
#7697d3
#a4b9e2
#164192
#10316d
#0b2049

Complement & Analogous

#b6801b
#321bb6
#1b9fb6

Triadic

#b61b51
#51b61b

Monochrome

#0b2049 #10316d #1b51b6 #7697d3 #a4b9e2 #d1dcf0

Analogous

#1b9fb6 #5fbccc #1b51b6 #5b49c5 #321bb6 #281692

Complementary Mix

#10316d #1b51b6 #7697d3 #b6801b #d0ac6b #765312

Nearby Colors

#1b51b5
#1b51b7
#1b51a6
#1b51c6

Embed #1B51B6 swatch

Embed this swatch

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

Open image

About #1B51B6

#1B51B6 converts to RGB(27, 81, 182) and HSL(219, 74%, 41%). 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).

#1B51B6 FAQs

What is the RGB value of #1B51B6?
RGB: 27, 81, 182. Copy as CSS: rgb(27, 81, 182)
Is #1B51B6 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B51B6?
Complement: #b6801b.
Does #1B51B6 have good contrast on white or black?
On white: 7.24:1 (AAA (normal text)). On black: 2.90:1 (Fails AA).