#212943

#212943

Color Values

HEX

#212943

RGB

33, 41, 67

HSL

225,9, 34,0%, 19,6%

HSV

225,9, 50,7%, 26,3%

CMYK

50,7%, 38,8%, 0,0%, 73,7%

OKLCH

0,2867 0,0492 270,1

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#212943

#433B21

Analogous

#213A43

#2A2143

#212943

Triadic

#212943

#432129

#294321

Split Complementary

#212943

#432A21

#3A4321

Tetradic

#212943

#43213A

#433B21

#21432A

Color Blindness Simulation

Original

#212943

Protanopia

#24253D

Deuteranopia

#24233B

Tritanopia

#213837

Achromatopsia

#292929

CSS Usage

background-color: #212943;
color: #212943;
border-color: #212943;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E8EAF2
200
#CFD5E7
300
#ADB7D7
400
#8190C1
500
#5469AB
600
#435489
700
#36436D
800
#2A3455
900
#22293F
950
#151A28

Contrast Checker

Text on white

14,36:1

AA Pass AAA Pass

Text on black

1,46:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026