#1B18CC

Color Details

HEX
#1B18CC
RGB
rgb(27, 24, 204)
HSL
hsl(241, 79%, 45%)
CMYK
cmyk(87%, 88%, 0%, 20%)
Best text on this color #FFFFFF (CR 10.25:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b18cc
Contrast 2.05:1 Fail
White on #1b18cc
Contrast 10.25:1 AAA
#1b18cc on Black
Contrast 2.05:1 Fail
#1b18cc on White
Contrast 10.25:1 AAA

Tints & Shades

#4946d6
#7674e0
#a4a3eb
#1613a3
#100e7a
#0b0a52

Complement & Analogous

#cacd18
#7618cd
#1870cd

Triadic

#cd1b18
#18cd1b

Monochrome

#0b0a52 #100e7a #1b18cc #7674e0 #a4a3eb #d1d1f5

Analogous

#1870cd #5d9bdc #1b18cc #9146d7 #7618cd #5e13a4

Complementary Mix

#100e7a #1b18cc #7674e0 #cacd18 #dddf69 #838510

Nearby Colors

#1b18cb
#1b18cd
#1b18bc
#1b18dc

Embed #1B18CC swatch

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About #1B18CC

#1B18CC converts to RGB(27, 24, 204) and HSL(241, 79%, 45%). 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).

#1B18CC FAQs

What is the RGB value of #1B18CC?
RGB: 27, 24, 204. Copy as CSS: rgb(27, 24, 204)
Is #1B18CC a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B18CC?
Complement: #cacd18.
Does #1B18CC have good contrast on white or black?
On white: 10.25:1 (AAA (normal text)). On black: 2.05:1 (Fails AA).