#21104F

#21104F

Color Values

HEX

#21104F

RGB

33, 16, 79

HSL

256,2, 66,3%, 18,6%

HSV

256,2, 79,7%, 31,0%

CMYK

58,2%, 79,7%, 0,0%, 69,0%

OKLCH

0,2444 0,1075 288,0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#21104F

#3E4F10

Analogous

#101E4F

#40104F

#21104F

Triadic

#21104F

#4F2110

#104F21

Split Complementary

#21104F

#4F4010

#1E4F10

Tetradic

#21104F

#4F101E

#3E4F10

#104F40

Color Blindness Simulation

Original

#21104F

Protanopia

#1A1940

Deuteranopia

#1B1C3C

Tritanopia

#203431

Achromatopsia

#181818

CSS Usage

background-color: #21104F;
color: #21104F;
border-color: #21104F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F3FC
100
#E9E3F7
200
#D0C4F3
300
#AF99EA
400
#8462DF
500
#592BD4
600
#4722AA
700
#391B88
800
#2C156A
900
#23144D
950
#160C31

Contrast Checker

Text on white

16,78:1

AA Pass AAA Pass

Text on black

1,25:1

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