#213245

#213245

Color Values

HEX

#213245

RGB

33, 50, 69

HSL

211.7, 35.3%, 20.0%

HSV

211.7, 52.2%, 27.1%

CMYK

52.2%, 27.5%, 0.0%, 72.9%

OKLCH

0.3114 0.0411 251.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#213245

#453421

Analogous

#214445

#222145

#213245

Triadic

#213245

#452132

#324521

Split Complementary

#213245

#452221

#444521

Tetradic

#213245

#452144

#453421

#214522

Color Blindness Simulation

Original

#213245

Protanopia

#282940

Deuteranopia

#27263F

Tritanopia

#223D3C

Achromatopsia

#303030

CSS Usage

background-color: #213245;
color: #213245;
border-color: #213245;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CFDBE8
300
#ACC1D7
400
#7F9FC2
500
#527DAD
600
#42648A
700
#35506E
800
#293E56
900
#213040
950
#151E28

Contrast Checker

Text on white

13.07:1

AA Pass AAA Pass

Text on black

1.61:1

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