#212643

#212643

Color Values

HEX

#212643

RGB

33, 38, 67

HSL

231,2, 34,0%, 19,6%

HSV

231,2, 50,7%, 26,3%

CMYK

50,7%, 43,3%, 0,0%, 73,7%

OKLCH

0,2791 0,0539 275,0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#212643

#433E21

Analogous

#213743

#2D2143

#212643

Triadic

#212643

#432126

#264321

Split Complementary

#212643

#432D21

#374321

Tetradic

#212643

#432137

#433E21

#21432D

Color Blindness Simulation

Original

#212643

Protanopia

#23233C

Deuteranopia

#23223A

Tritanopia

#213635

Achromatopsia

#272727

CSS Usage

background-color: #212643;
color: #212643;
border-color: #212643;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E8EAF2
200
#CFD3E7
300
#ADB3D7
400
#818AC1
500
#5461AB
600
#434D89
700
#363E6D
800
#2A3055
900
#22263F
950
#151828

Contrast Checker

Text on white

14,76:1

AA Pass AAA Pass

Text on black

1,42:1

AA Fail AAA Fail

Related Articles

Tutorials

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

Oca 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Oca 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Oca 15, 2026