#1B237C

Color Details

HEX
#1B237C
RGB
rgb(27, 35, 124)
HSL
hsl(235, 64%, 30%)
CMYK
cmyk(78%, 72%, 0%, 51%)
Best text on this color #FFFFFF (CR 13.31:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b237c
Contrast 1.58:1 Fail
White on #1b237c
Contrast 13.31:1 AAA
#1b237c on Black
Contrast 1.58:1 Fail
#1b237c on White
Contrast 13.31:1 AAA

Tints & Shades

#494f96
#767bb0
#a4a7cb
#161c63
#10154a
#0b0e32

Complement & Analogous

#7d751c
#441c7d
#1c557d

Triadic

#7d1c24
#247d1c

Monochrome

#0b0e32 #10154a #1b237c #767bb0 #a4a7cb #d1d3e5

Analogous

#1c557d #6088a4 #1b237c #694997 #441c7d #361664

Complementary Mix

#10154a #1b237c #767bb0 #7d751c #aba56b #514c12

Nearby Colors

#1b237b
#1b237d
#1b236c
#1b238c

Embed #1B237C swatch

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About #1B237C

#1B237C converts to RGB(27, 35, 124) and HSL(235, 64%, 30%). 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).

#1B237C FAQs

What is the RGB value of #1B237C?
RGB: 27, 35, 124. Copy as CSS: rgb(27, 35, 124)
Is #1B237C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B237C?
Complement: #7d751c.
Does #1B237C have good contrast on white or black?
On white: 13.31:1 (AAA (normal text)). On black: 1.58:1 (Fails AA).