#212651

#212651

Color Values

HEX

#212651

RGB

33, 38, 81

HSL

233.8, 42.1%, 22.4%

HSV

233.8, 59.3%, 31.8%

CMYK

59.3%, 53.1%, 0.0%, 68.2%

OKLCH

0.2892 0.0777 275.4

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#212651

#514C21

Analogous

#213E51

#342151

#212651

Triadic

#212651

#512126

#265121

Split Complementary

#212651

#513421

#3E5121

Tetradic

#212651

#51213E

#514C21

#215134

Color Blindness Simulation

Original

#212651

Protanopia

#232347

Deuteranopia

#232244

Tritanopia

#213E3D

Achromatopsia

#282828

CSS Usage

background-color: #212651;
color: #212651;
border-color: #212651;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F4
200
#CCCFEA
300
#A8ADDC
400
#7981C8
500
#4A55B5
600
#3B4491
700
#2F3674
800
#252A5B
900
#1E2243
950
#13152A

Contrast Checker

Text on white

14.38:1

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