#21787A

#21787A

Color Values

HEX

#21787A

RGB

33, 120, 122

HSL

181.3, 57.4%, 30.4%

HSV

181.3, 73.0%, 47.8%

CMYK

73.0%, 1.6%, 0.0%, 52.2%

OKLCH

0.5242 0.0792 197.3

Properties

Cool Dark Nearest: teal

Color Harmonies

Complementary

#21787A

#7A2321

Analogous

#217A4F

#214C7A

#21787A

Triadic

#21787A

#7A2178

#787A21

Split Complementary

#21787A

#7A214C

#7A4F21

Tetradic

#21787A

#4F217A

#7A2321

#4C7A21

Color Blindness Simulation

Original

#21787A

Protanopia

#47477A

Deuteranopia

#423B79

Tritanopia

#257979

Achromatopsia

#666666

CSS Usage

background-color: #21787A;
color: #21787A;
border-color: #21787A;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F4FBFB
100
#E4F5F6
200
#C7EFF0
300
#9FE3E5
400
#6AD4D7
500
#36C6C9
600
#2B9EA1
700
#237E80
800
#1B6364
900
#174849
950
#0F2E2E

Contrast Checker

Text on white

5.21:1

AA Pass AAA Fail

Text on black

4.03:1

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