#1B3121

#1B3121

Color Values

HEX

#1B3121

RGB

27, 49, 33

HSL

136.4, 28.9%, 14.9%

HSV

136.4, 44.9%, 19.2%

CMYK

44.9%, 0.0%, 32.7%, 80.8%

OKLCH

0.2893 0.0406 151.9

Properties

Cool Dark Nearest: RAL 6020 Chrome Green

Color Harmonies

Complementary

#1B3121

#311B2B

Analogous

#20311B

#1B312C

#1B3121

Triadic

#1B3121

#211B31

#31211B

Split Complementary

#1B3121

#2C1B31

#311B20

Tetradic

#1B3121

#1B2031

#311B2B

#312C1B

Color Blindness Simulation

Original

#1B3121

Protanopia

#252525

Deuteranopia

#232226

Tritanopia

#1C2829

Achromatopsia

#2B2B2B

CSS Usage

background-color: #1B3121;
color: #1B3121;
border-color: #1B3121;
Nearest Tailwind: Emerald 950 #022C22

Tailwind Shades

50
#F5F9F6
100
#E9F2EB
200
#D1E6D7
300
#B0D3BA
400
#85BC94
500
#5BA46F
600
#498359
700
#3A6947
800
#2D5237
900
#243D2B
950
#17271B

Contrast Checker

Text on white

13.93:1

AA Pass AAA Pass

Text on black

1.51:1

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