#1A3B51

Color Details

HEX
#1A3B51
RGB
rgb(26, 59, 81)
HSL
hsl(204, 51%, 21%)
CMYK
cmyk(68%, 27%, 0%, 68%)
Best text on this color #FFFFFF (CR 11.74:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1a3b51
Contrast 1.79:1 Fail
White on #1a3b51
Contrast 11.74:1 AAA
#1a3b51 on Black
Contrast 1.79:1 Fail
#1a3b51 on White
Contrast 11.74:1 AAA

Tints & Shades

#486274
#768997
#a3b1b9
#152f41
#102331
#0a1820

Complement & Analogous

#51301a
#1a2051
#1a514b

Triadic

#511a3b
#3b511a

Monochrome

#0a1820 #102331 #1a3b51 #768997 #a3b1b9 #d1d8dc

Analogous

#1a514b #5f8581 #1a3b51 #484d74 #1a2051 #151a41

Complementary Mix

#102331 #1a3b51 #768997 #51301a #8e786a #351f11

Nearby Colors

#1a3b50
#1a3b52
#1a3b41
#1a3b61

Embed #1A3B51 swatch

Embed this swatch

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

Open image

About #1A3B51

#1A3B51 converts to RGB(26, 59, 81) and HSL(204, 51%, 21%). 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).

#1A3B51 FAQs

What is the RGB value of #1A3B51?
RGB: 26, 59, 81. Copy as CSS: rgb(26, 59, 81)
Is #1A3B51 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1A3B51?
Complement: #51301a.
Does #1A3B51 have good contrast on white or black?
On white: 11.74:1 (AAA (normal text)). On black: 1.79:1 (Fails AA).