#021D38

#021D38

Color Values

HEX

#021D38

RGB

2, 29, 56

HSL

210.0, 93.1%, 11.4%

HSV

210.0, 96.4%, 22.0%

CMYK

96.4%, 48.2%, 0.0%, 78.0%

OKLCH

0.2277 0.062 251.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#021D38

#381D02

Analogous

#023838

#020238

#021D38

Triadic

#021D38

#38021D

#1D3802

Split Complementary

#021D38

#380202

#383802

Tetradic

#021D38

#380238

#381D02

#023802

Color Blindness Simulation

Original

#021D38

Protanopia

#0E0E31

Deuteranopia

#0C0A30

Tritanopia

#032C2B

Achromatopsia

#191919

CSS Usage

background-color: #021D38;
color: #021D38;
border-color: #021D38;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F7FD
100
#DFEDFB
200
#BADBFD
300
#89C2FB
400
#49A1F8
500
#0980F6
600
#0766C5
700
#06529E
800
#04407B
900
#083059
950
#051F38

Contrast Checker

Text on white

17.0:1

AA Pass AAA Pass

Text on black

1.24:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026