#281B4C

Color Details

HEX
#281B4C
RGB
rgb(40, 27, 76)
HSL
hsl(256, 48%, 20%)
CMYK
cmyk(47%, 64%, 0%, 70%)
Best text on this color #FFFFFF (CR 15.54:1) Determined by WCAG contrast ratio

Readability Previews

Black on #281b4c
Contrast 1.35:1 Fail
White on #281b4c
Contrast 15.54:1 AAA
#281b4c on Black
Contrast 1.35:1 Fail
#281b4c on White
Contrast 15.54:1 AAA

Tints & Shades

#534970
#7e7694
#a9a4b7
#20163d
#18102e
#100b1e

Complement & Analogous

#3e4b1b
#401b4b
#1b264b

Triadic

#4b281b
#1b4b28

Monochrome

#100b1e #18102e #281b4c #7e7694 #a9a4b7 #d4d1db

Analogous

#1b264b #5f6781 #281b4c #66496f #401b4b #33163c

Complementary Mix

#18102e #281b4c #7e7694 #3e4b1b #828a6b #283112

Nearby Colors

#281b4b
#281b4d
#281b3c
#281b5c

Embed #281B4C swatch

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About #281B4C

#281B4C converts to RGB(40, 27, 76) and HSL(256, 48%, 20%). 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).

#281B4C FAQs

What is the RGB value of #281B4C?
RGB: 40, 27, 76. Copy as CSS: rgb(40, 27, 76)
Is #281B4C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #281B4C?
Complement: #3e4b1b.
Does #281B4C have good contrast on white or black?
On white: 15.54:1 (AAA (normal text)). On black: 1.35:1 (Fails AA).