#21D8D8

#21D8D8

Color Values

HEX

#21D8D8

RGB

33, 216, 216

HSL

180.0, 73.5%, 48.8%

HSV

180.0, 84.7%, 84.7%

CMYK

84.7%, 0.0%, 0.0%, 15.3%

OKLCH

0.8009 0.1324 194.8

Properties

Cool Light Nearest: darkturquoise

Color Harmonies

Complementary

#21D8D8

#D82121

Analogous

#21D87C

#217CD8

#21D8D8

Triadic

#21D8D8

#D821D8

#D8D821

Split Complementary

#21D8D8

#D8217C

#D87C21

Tetradic

#21D8D8

#7C21D8

#D82121

#7CD821

Color Blindness Simulation

Original

#21D8D8

Protanopia

#7072D8

Deuteranopia

#6658D8

Tritanopia

#2AD8D8

Achromatopsia

#B1B1B1

CSS Usage

background-color: #21D8D8;
color: #21D8D8;
border-color: #21D8D8;
Nearest Tailwind: Teal 400 #2DD4BF

Tailwind Shades

50
#F3FCFC
100
#E2F8F8
200
#C1F6F6
300
#95EFEF
400
#5BE6E6
500
#22DDDD
600
#1BB1B1
700
#168E8E
800
#116F6F
900
#105050
950
#0A3333

Contrast Checker

Text on white

1.77:1

AA Fail AAA Fail

Text on black

11.88:1

AA Pass AAA Pass

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