#19042A

#19042A

Color Values

HEX

#19042A

RGB

25, 4, 42

HSL

273.2, 82.6%, 9.0%

HSV

273.2, 90.5%, 16.5%

CMYK

40.5%, 90.5%, 0.0%, 83.5%

OKLCH

0.1759 0.0753 305.8

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#19042A

#152A04

Analogous

#06042A

#2A0428

#19042A

Triadic

#19042A

#2A1904

#042A19

Split Complementary

#19042A

#282A04

#042A06

Tetradic

#19042A

#2A0604

#152A04

#04282A

Color Blindness Simulation

Original

#19042A

Protanopia

#101021

Deuteranopia

#11131F

Tritanopia

#181A18

Achromatopsia

#0B0B0B

CSS Usage

background-color: #19042A;
color: #19042A;
border-color: #19042A;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F2FD
100
#EEE1FA
200
#DEBEF9
300
#C78FF4
400
#A953EF
500
#8B16E9
600
#6F12BA
700
#590E95
800
#450B74
900
#340C54
950
#210835

Contrast Checker

Text on white

19.23:1

AA Pass AAA Pass

Text on black

1.09:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026