#213549

#213549

Color Values

HEX

#213549

RGB

33, 53, 73

HSL

210.0, 37.7%, 20.8%

HSV

210.0, 54.8%, 28.6%

CMYK

54.8%, 27.4%, 0.0%, 71.4%

OKLCH

0.3216 0.0442 249.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213549

#493521

Analogous

#214949

#212149

#213549

Triadic

#213549

#492135

#354921

Split Complementary

#213549

#492121

#494921

Tetradic

#213549

#492149

#493521

#214921

Color Blindness Simulation

Original

#213549

Protanopia

#2A2A44

Deuteranopia

#282743

Tritanopia

#224040

Achromatopsia

#323232

CSS Usage

background-color: #213549;
color: #213549;
border-color: #213549;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDBE9
300
#ABC2D9
400
#7DA1C4
500
#4F80B0
600
#40668C
700
#335270
800
#284058
900
#203041
950
#141F29

Contrast Checker

Text on white

12.57:1

AA Pass AAA Pass

Text on black

1.67:1

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