#1D3F8C

Color Details

HEX
#1D3F8C
RGB
rgb(29, 63, 140)
HSL
hsl(222, 66%, 33%)
CMYK
cmyk(79%, 55%, 0%, 45%)
Best text on this color #FFFFFF (CR 9.80:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1d3f8c
Contrast 2.14:1 Fail
White on #1d3f8c
Contrast 9.80:1 AAA
#1d3f8c on Black
Contrast 2.14:1 Fail
#1d3f8c on White
Contrast 9.80:1 AAA

Tints & Shades

#4a65a3
#778cba
#a5b2d1
#173270
#112654
#0c1938

Complement & Analogous

#8c6a1d
#331d8c
#1d758c

Triadic

#8c1d3e
#3e8c1d

Monochrome

#0c1938 #112654 #1d3f8c #778cba #a5b2d1 #d2d9e8

Analogous

#1d758c #619eaf #1d3f8c #5c4aa3 #331d8c #291770

Complementary Mix

#112654 #1d3f8c #778cba #8c6a1d #b49e6c #5b4513

Nearby Colors

#1d3f8b
#1d3f8d
#1d3f7c
#1d3f9c

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About #1D3F8C

#1D3F8C converts to RGB(29, 63, 140) and HSL(222, 66%, 33%). 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).

#1D3F8C FAQs

What is the RGB value of #1D3F8C?
RGB: 29, 63, 140. Copy as CSS: rgb(29, 63, 140)
Is #1D3F8C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1D3F8C?
Complement: #8c6a1d.
Does #1D3F8C have good contrast on white or black?
On white: 9.80:1 (AAA (normal text)). On black: 2.14:1 (Fails AA).