#1B18DD

Color Details

HEX
#1B18DD
RGB
rgb(27, 24, 221)
HSL
hsl(241, 80%, 48%)
CMYK
cmyk(88%, 89%, 0%, 13%)
Best text on this color #FFFFFF (CR 9.45:1) Determined by WCAG contrast ratio

Readability Previews

Black on #1b18dd
Contrast 2.22:1 Fail
White on #1b18dd
Contrast 9.45:1 AAA
#1b18dd on Black
Contrast 2.22:1 Fail
#1b18dd on White
Contrast 9.45:1 AAA

Tints & Shades

#4946e4
#7674eb
#a4a3f1
#1613b1
#100e85
#0b0a58

Complement & Analogous

#d9dc18
#7e18dc
#1877dc

Triadic

#dc1c18
#18dc1c

Monochrome

#0b0a58 #100e85 #1b18dd #7674eb #a4a3f1 #d1d1f8

Analogous

#1877dc #5da0e7 #1b18dd #9846e3 #7e18dc #6513b0

Complementary Mix

#100e85 #1b18dd #7674eb #d9dc18 #e6e869 #8d8f10

Nearby Colors

#1b18dc
#1b18de
#1b18cd
#1b18ed

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About #1B18DD

#1B18DD converts to RGB(27, 24, 221) and HSL(241, 80%, 48%). 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).

#1B18DD FAQs

What is the RGB value of #1B18DD?
RGB: 27, 24, 221. Copy as CSS: rgb(27, 24, 221)
Is #1B18DD a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #1B18DD?
Complement: #d9dc18.
Does #1B18DD have good contrast on white or black?
On white: 9.45:1 (AAA (normal text)). On black: 2.22:1 (Fails AA).