#123C3F

#123C3F

Color Values

HEX

#123C3F

RGB

18, 60, 63

HSL

184.0, 55.6%, 15.9%

HSV

184.0, 71.4%, 24.7%

CMYK

71.4%, 4.8%, 0.0%, 75.3%

OKLCH

0.3288 0.0458 201.8

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#123C3F

#3F1512

Analogous

#123F2C

#12263F

#123C3F

Triadic

#123C3F

#3F123C

#3C3F12

Split Complementary

#123C3F

#3F1226

#3F2C12

Tetradic

#123C3F

#2C123F

#3F1512

#263F12

Color Blindness Simulation

Original

#123C3F

Protanopia

#24253E

Deuteranopia

#221F3E

Tritanopia

#143E3E

Achromatopsia

#333333

CSS Usage

background-color: #123C3F;
color: #123C3F;
border-color: #123C3F;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F4FAFB
100
#E5F4F6
200
#C7EDEF
300
#A0DFE4
400
#6CCED5
500
#39BDC6
600
#2D979F
700
#24797F
800
#1C5E63
900
#184549
950
#0F2C2E

Contrast Checker

Text on white

12.04:1

AA Pass AAA Pass

Text on black

1.74:1

AA Fail AAA Fail

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