#1B238C

Color Details

HEX
#1B238C
RGB
rgb(27, 35, 140)
HSL
hsl(236, 68%, 33%)
CMYK
cmyk(81%, 75%, 0%, 45%)
Best text on this color #FFFFFF (CR 12.61:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b238c
Contrast 1.67:1 Fail
White on #1b238c
Contrast 12.61:1 AAA
#1b238c on Black
Contrast 1.67:1 Fail
#1b238c on White
Contrast 12.61:1 AAA

Tints & Shades

#494fa3
#767bba
#a4a7d1
#161c70
#101554
#0b0e38

Complement & Analogous

#8d861b
#4d1b8d
#1b5c8d

Triadic

#8d1b23
#238d1b

Monochrome

#0b0e38 #101554 #1b238c #767bba #a4a7d1 #d1d3e8

Analogous

#1b5c8d #5f8daf #1b238c #7149a4 #4d1b8d #3e1671

Complementary Mix

#101554 #1b238c #767bba #8d861b #b5b06b #5c5712

Nearby Colors

#1b238b
#1b238d
#1b237c
#1b239c

Embed #1B238C swatch

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About #1B238C

#1B238C converts to RGB(27, 35, 140) and HSL(236, 68%, 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).

#1B238C FAQs

What is the RGB value of #1B238C?
RGB: 27, 35, 140. Copy as CSS: rgb(27, 35, 140)
Is #1B238C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B238C?
Complement: #8d861b.
Does #1B238C have good contrast on white or black?
On white: 12.61:1 (AAA (normal text)). On black: 1.67:1 (Fails AA).