#042243

#042243

Color Values

HEX

#042243

RGB

4, 34, 67

HSL

211.4, 88.7%, 13.9%

HSV

211.4, 94.0%, 26.3%

CMYK

94.0%, 49.3%, 0.0%, 73.7%

OKLCH

0.2515 0.0715 253.7

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#042243

#432504

Analogous

#044143

#050443

#042243

Triadic

#042243

#430422

#224304

Split Complementary

#042243

#430504

#414304

Tetradic

#042243

#430441

#432504

#044305

Color Blindness Simulation

Original

#042243

Protanopia

#11113B

Deuteranopia

#0F0D39

Tritanopia

#063533

Achromatopsia

#1E1E1E

CSS Usage

background-color: #042243;
color: #042243;
border-color: #042243;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F2F7FD
100
#E0EDFB
200
#BCDAFB
300
#8CBFF8
400
#4D9DF4
500
#0E7AF1
600
#0C62C0
700
#094E9A
800
#073D78
900
#0A2F57
950
#061D37

Contrast Checker

Text on white

15.97:1

AA Pass AAA Pass

Text on black

1.32:1

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