#1D3B51

Color Details

HEX
#1D3B51
RGB
rgb(29, 59, 81)
HSL
hsl(205, 47%, 22%)
CMYK
cmyk(64%, 27%, 0%, 68%)
Best text on this color #FFFFFF (CR 11.69:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1d3b51
Contrast 1.80:1 Fail
White on #1d3b51
Contrast 11.69:1 AAA
#1d3b51 on Black
Contrast 1.80:1 Fail
#1d3b51 on White
Contrast 11.69:1 AAA

Tints & Shades

#4a6274
#778997
#a5b1b9
#172f41
#112331
#0c1820

Complement & Analogous

#52341e
#1e2252
#1e524e

Triadic

#521e3c
#3c521e

Monochrome

#0c1820 #112331 #1d3b51 #778997 #a5b1b9 #d2d8dc

Analogous

#1e524e #628683 #1d3b51 #4b4e75 #1e2252 #181b42

Complementary Mix

#112331 #1d3b51 #778997 #52341e #8f7b6d #352214

Nearby Colors

#1d3b50
#1d3b52
#1d3b41
#1d3b61

Embed #1D3B51 swatch

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About #1D3B51

#1D3B51 converts to RGB(29, 59, 81) and HSL(205, 47%, 22%). 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).

#1D3B51 FAQs

What is the RGB value of #1D3B51?
RGB: 29, 59, 81. Copy as CSS: rgb(29, 59, 81)
Is #1D3B51 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1D3B51?
Complement: #52341e.
Does #1D3B51 have good contrast on white or black?
On white: 11.69:1 (AAA (normal text)). On black: 1.80:1 (Fails AA).