#213748

#213748

Color Values

HEX

#213748

RGB

33, 55, 72

HSL

206.2, 37.1%, 20.6%

HSV

206.2, 54.2%, 28.2%

CMYK

54.2%, 23.6%, 0.0%, 71.8%

OKLCH

0.3264 0.0412 242.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213748

#483221

Analogous

#214846

#212448

#213748

Triadic

#213748

#482137

#374821

Split Complementary

#213748

#482124

#484621

Tetradic

#213748

#462148

#483221

#244821

Color Blindness Simulation

Original

#213748

Protanopia

#2B2B44

Deuteranopia

#292843

Tritanopia

#224140

Achromatopsia

#343434

CSS Usage

background-color: #213748;
color: #213748;
border-color: #213748;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CEDDE9
300
#ABC5D9
400
#7EA5C4
500
#5085AF
600
#406B8C
700
#335570
800
#284357
900
#203241
950
#142029

Contrast Checker

Text on white

12.32:1

AA Pass AAA Pass

Text on black

1.7:1

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