#00223A

#00223A

Color Values

HEX

#00223A

RGB

0, 34, 58

HSL

204.8, 100.0%, 11.4%

HSV

204.8, 100.0%, 22.7%

CMYK

100.0%, 41.4%, 0.0%, 77.3%

OKLCH

0.2428 0.0599 244.0

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#00223A

#3A1800

Analogous

#003A35

#00053A

#00223A

Triadic

#00223A

#3A0022

#223A00

Split Complementary

#00223A

#3A0005

#3A3500

Tetradic

#00223A

#35003A

#3A1800

#053A00

Color Blindness Simulation

Original

#00223A

Protanopia

#0F0F34

Deuteranopia

#0D0A33

Tritanopia

#02302F

Achromatopsia

#1D1D1D

CSS Usage

background-color: #00223A;
color: #00223A;
border-color: #00223A;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F1F8FE
100
#DEF0FC
200
#B8E1FF
300
#85CCFF
400
#42B1FF
500
#0096FF
600
#0078CC
700
#0060A3
800
#004B80
900
#05385C
950
#03233A

Contrast Checker

Text on white

16.28:1

AA Pass AAA Pass

Text on black

1.29:1

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