#21092C

#21092C

Color Values

HEX

#21092C

RGB

33, 9, 44

HSL

281.1, 66.0%, 10.4%

HSV

281.1, 79.5%, 17.3%

CMYK

25.0%, 79.5%, 0.0%, 82.7%

OKLCH

0.2001 0.0706 313.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#21092C

#142C09

Analogous

#0F092C

#2C0926

#21092C

Triadic

#21092C

#2C2109

#092C21

Split Complementary

#21092C

#262C09

#092C0F

Tetradic

#21092C

#2C0F09

#142C09

#09262C

Color Blindness Simulation

Original

#21092C

Protanopia

#171624

Deuteranopia

#181A22

Tritanopia

#201D1B

Achromatopsia

#111111

CSS Usage

background-color: #21092C;
color: #21092C;
border-color: #21092C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F3FC
100
#F1E3F7
200
#E4C4F3
300
#D199EA
400
#B862DF
500
#9F2BD4
600
#7F23A9
700
#661C87
800
#4F166A
900
#3B144D
950
#250C31

Contrast Checker

Text on white

18.42:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026