#223737

#223737

Color Values

HEX

#223737

RGB

34, 55, 55

HSL

180.0, 23.6%, 17.5%

HSV

180.0, 38.2%, 21.6%

CMYK

38.2%, 0.0%, 0.0%, 78.4%

OKLCH

0.3192 0.0267 195.9

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#223737

#372222

Analogous

#22372D

#222D37

#223737

Triadic

#223737

#372237

#373722

Split Complementary

#223737

#37222D

#372D22

Tetradic

#223737

#2D2237

#372222

#2D3722

Color Blindness Simulation

Original

#223737

Protanopia

#2B2B37

Deuteranopia

#2A2837

Tritanopia

#233737

Achromatopsia

#333333

CSS Usage

background-color: #223737;
color: #223737;
border-color: #223737;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F9
100
#EAF1F1
200
#D3E4E4
300
#B3D0D0
400
#8AB7B7
500
#619E9E
600
#4E7E7E
700
#3E6565
800
#314F4F
900
#263B3B
950
#182525

Contrast Checker

Text on white

12.58:1

AA Pass AAA Pass

Text on black

1.67:1

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