#1D3B8C

Color Details

HEX
#1D3B8C
RGB
rgb(29, 59, 140)
HSL
hsl(224, 66%, 33%)
CMYK
cmyk(79%, 58%, 0%, 45%)
Best text on this color #FFFFFF (CR 10.21:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1d3b8c
Contrast 2.06:1 Fail
White on #1d3b8c
Contrast 10.21:1 AAA
#1d3b8c on Black
Contrast 2.06:1 Fail
#1d3b8c on White
Contrast 10.21:1 AAA

Tints & Shades

#4a62a3
#7789ba
#a5b1d1
#172f70
#112354
#0c1838

Complement & Analogous

#8c6e1d
#371d8c
#1d728c

Triadic

#8c1d3a
#3a8c1d

Monochrome

#0c1838 #112354 #1d3b8c #7789ba #a5b1d1 #d2d8e8

Analogous

#1d728c #619caf #1d3b8c #5f4aa3 #371d8c #2c1770

Complementary Mix

#112354 #1d3b8c #7789ba #8c6e1d #b4a16c #5b4813

Nearby Colors

#1d3b8b
#1d3b8d
#1d3b7c
#1d3b9c

Embed #1D3B8C swatch

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About #1D3B8C

#1D3B8C converts to RGB(29, 59, 140) and HSL(224, 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).

#1D3B8C FAQs

What is the RGB value of #1D3B8C?
RGB: 29, 59, 140. Copy as CSS: rgb(29, 59, 140)
Is #1D3B8C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1D3B8C?
Complement: #8c6e1d.
Does #1D3B8C have good contrast on white or black?
On white: 10.21:1 (AAA (normal text)). On black: 2.06:1 (Fails AA).