#1B403C

#1B403C

Color Values

HEX

#1B403C

RGB

27, 64, 60

HSL

173.5, 40.7%, 17.8%

HSV

173.5, 57.8%, 25.1%

CMYK

57.8%, 0.0%, 6.2%, 74.9%

OKLCH

0.343 0.0431 186.1

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#1B403C

#401B1F

Analogous

#1B4029

#1B3140

#1B403C

Triadic

#1B403C

#3C1B40

#403C1B

Split Complementary

#1B403C

#401B31

#40291B

Tetradic

#1B403C

#291B40

#401B1F

#31401B

Color Blindness Simulation

Original

#1B403C

Protanopia

#2B2B3D

Deuteranopia

#29263D

Tritanopia

#1D3E3E

Achromatopsia

#383838

CSS Usage

background-color: #1B403C;
color: #1B403C;
border-color: #1B403C;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5FAF9
100
#E7F3F2
200
#CDEAE7
300
#A9DBD5
400
#7AC7BF
500
#4CB3A8
600
#3C9087
700
#30736C
800
#265A54
900
#1F423E
950
#132A27

Contrast Checker

Text on white

11.38:1

AA Pass AAA Pass

Text on black

1.85:1

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