#0121CB

#0121CB

Color Values

HEX

#0121CB

RGB

1, 33, 203

HSL

230.5, 99.0%, 40.0%

HSV

230.5, 99.5%, 79.6%

CMYK

99.5%, 83.7%, 0.0%, 20.4%

OKLCH

0.4024 0.249 264.3

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#0121CB

#CBAB01

Analogous

#0186CB

#4601CB

#0121CB

Triadic

#0121CB

#CB0121

#21CB01

Split Complementary

#0121CB

#CB4601

#86CB01

Tetradic

#0121CB

#CB0186

#CBAB01

#01CB46

Color Blindness Simulation

Original

#0121CB

Protanopia

#0F0FA2

Deuteranopia

#0D0B98

Tritanopia

#03817A

Achromatopsia

#262626

CSS Usage

background-color: #0121CB;
color: #0121CB;
border-color: #0121CB;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F1F3FE
100
#DEE3FC
200
#B8C3FF
300
#8598FE
400
#4361FE
500
#0129FE
600
#0121CB
700
#011AA2
800
#01157F
900
#05135C
950
#030C3A

Contrast Checker

Text on white

10.09:1

AA Pass AAA Pass

Text on black

2.08:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026