#21206A

#21206A

Color Values

HEX

#21206A

RGB

33, 32, 106

HSL

240.8, 53.6%, 27.1%

HSV

240.8, 69.8%, 41.6%

CMYK

68.9%, 69.8%, 0.0%, 58.4%

OKLCH

0.2991 0.1249 276.3

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#21206A

#696A20

Analogous

#20446A

#46206A

#21206A

Triadic

#21206A

#6A2120

#206A21

Split Complementary

#21206A

#6A4620

#446A20

Tetradic

#21206A

#6A2044

#696A20

#206A46

Color Blindness Simulation

Original

#21206A

Protanopia

#212158

Deuteranopia

#212154

Tritanopia

#214A47

Achromatopsia

#262626

CSS Usage

background-color: #21206A;
color: #21206A;
border-color: #21206A;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C9C8EE
300
#A2A1E3
400
#6F6ED3
500
#3D3BC4
600
#312F9D
700
#27267D
800
#1E1E62
900
#1A1948
950
#10102D

Contrast Checker

Text on white

14.2:1

AA Pass AAA Pass

Text on black

1.48:1

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