#213545

#213545

Color Values

HEX

#213545

RGB

33, 53, 69

HSL

206.7, 35.3%, 20.0%

HSV

206.7, 52.2%, 27.1%

CMYK

52.2%, 23.2%, 0.0%, 72.9%

OKLCH

0.3195 0.0386 243.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213545

#453121

Analogous

#214543

#212345

#213545

Triadic

#213545

#452135

#354521

Split Complementary

#213545

#452123

#454321

Tetradic

#213545

#432145

#453121

#234521

Color Blindness Simulation

Original

#213545

Protanopia

#2A2A41

Deuteranopia

#282740

Tritanopia

#223E3D

Achromatopsia

#323232

CSS Usage

background-color: #213545;
color: #213545;
border-color: #213545;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CFDDE8
300
#ACC4D7
400
#7FA4C2
500
#5284AD
600
#426A8A
700
#35556E
800
#294256
900
#213240
950
#152028

Contrast Checker

Text on white

12.65:1

AA Pass AAA Pass

Text on black

1.66:1

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