#213947

#213947

Color Values

HEX

#213947

RGB

33, 57, 71

HSL

202,1, 36,5%, 20,4%

HSV

202,1, 53,5%, 27,8%

CMYK

53,5%, 19,7%, 0,0%, 72,2%

OKLCH

0,3313 0,0389 235,3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213947

#472F21

Analogous

#214742

#212647

#213947

Triadic

#213947

#472139

#394721

Split Complementary

#213947

#472126

#474221

Tetradic

#213947

#422147

#472F21

#264721

Color Blindness Simulation

Original

#213947

Protanopia

#2B2C44

Deuteranopia

#2A2843

Tritanopia

#224140

Achromatopsia

#353535

CSS Usage

background-color: #213947;
color: #213947;
border-color: #213947;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F8FA
100
#E8EFF3
200
#CEDFE8
300
#ABC8D8
400
#7EAAC3
500
#518CAE
600
#41708B
700
#34596F
800
#284657
900
#213540
950
#152129

Contrast Checker

Text on white

12,06:1

AA Pass AAA Pass

Text on black

1,74:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026