#021F37

#021F37

Color Values

HEX

#021F37

RGB

2, 31, 55

HSL

207,2, 93,0%, 11,2%

HSV

207,2, 96,4%, 21,6%

CMYK

96,4%, 43,6%, 0,0%, 78,4%

OKLCH

0,2327 0,0579 247,2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#021F37

#371A02

Analogous

#023735

#020437

#021F37

Triadic

#021F37

#37021F

#1F3702

Split Complementary

#021F37

#370204

#373502

Tetradic

#021F37

#350237

#371A02

#043702

Color Blindness Simulation

Original

#021F37

Protanopia

#0F0F31

Deuteranopia

#0D0B30

Tritanopia

#032D2C

Achromatopsia

#1B1B1B

CSS Usage

background-color: #021F37;
color: #021F37;
border-color: #021F37;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F8FD
100
#DFEEFB
200
#BADEFD
300
#89C7FB
400
#49A9F8
500
#098BF6
600
#076FC5
700
#06599D
800
#04457B
900
#083459
950
#052138

Contrast Checker

Text on white

16,75:1

AA Pass AAA Pass

Text on black

1,25:1

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