#21C4CE

#21C4CE

Color Values

HEX

#21C4CE

RGB

33, 196, 206

HSL

183.5, 72.4%, 46.9%

HSV

183.5, 84.0%, 80.8%

CMYK

84.0%, 4.9%, 0.0%, 19.2%

OKLCH

0.7487 0.1224 201.6

Properties

Cool Light Nearest: turquoise 3

Color Harmonies

Complementary

#21C4CE

#CE2B21

Analogous

#21CE82

#216DCE

#21C4CE

Triadic

#21C4CE

#CE21C4

#C4CE21

Split Complementary

#21C4CE

#CE216D

#CE8221

Tetradic

#21C4CE

#8221CE

#CE2B21

#6DCE21

Color Blindness Simulation

Original

#21C4CE

Protanopia

#6869CC

Deuteranopia

#5E52CB

Tritanopia

#29CAC9

Achromatopsia

#A2A2A2

CSS Usage

background-color: #21C4CE;
color: #21C4CE;
border-color: #21C4CE;
Nearest Tailwind: Cyan 400 #22D3EE

Tailwind Shades

50
#F3FCFC
100
#E2F7F8
200
#C1F2F5
300
#95E9EE
400
#5CDDE5
500
#23D1DC
600
#1CA7B0
700
#17868D
800
#12696E
900
#114C50
950
#0B3033

Contrast Checker

Text on white

2.13:1

AA Fail AAA Fail

Text on black

9.85:1

AA Pass AAA Pass

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