#042F47

#042F47

Color Values

HEX

#042F47

RGB

4, 47, 71

HSL

201.5, 89.3%, 14.7%

HSV

201.5, 94.4%, 27.8%

CMYK

94.4%, 33.8%, 0.0%, 72.2%

OKLCH

0.2909 0.0622 239.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#042F47

#471C04

Analogous

#04473D

#040D47

#042F47

Triadic

#042F47

#47042F

#2F4704

Split Complementary

#042F47

#47040D

#473D04

Tetradic

#042F47

#3D0447

#471C04

#0D4704

Color Blindness Simulation

Original

#042F47

Protanopia

#171741

Deuteranopia

#141140

Tritanopia

#063D3C

Achromatopsia

#282828

CSS Usage

background-color: #042F47;
color: #042F47;
border-color: #042F47;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F2F9FD
100
#E0F1FB
200
#BBE4FB
300
#8BD1F8
400
#4CB9F5
500
#0EA0F1
600
#0B80C1
700
#09669A
800
#075079
900
#0A3B57
950
#062637

Contrast Checker

Text on white

13.97:1

AA Pass AAA Pass

Text on black

1.5:1

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