#1B4543

#1B4543

Color Values

HEX

#1B4543

RGB

27, 69, 67

HSL

177.1, 43.7%, 18.8%

HSV

177.1, 60.9%, 27.1%

CMYK

60.9%, 0.0%, 2.9%, 72.9%

OKLCH

0.3602 0.0467 191.1

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1B4543

#451B1D

Analogous

#1B452E

#1B3245

#1B4543

Triadic

#1B4543

#431B45

#45431B

Split Complementary

#1B4543

#451B32

#452E1B

Tetradic

#1B4543

#2E1B45

#451B1D

#32451B

Color Blindness Simulation

Original

#1B4543

Protanopia

#2D2E43

Deuteranopia

#2B2844

Tritanopia

#1D4444

Achromatopsia

#3C3C3C

CSS Usage

background-color: #1B4543;
color: #1B4543;
border-color: #1B4543;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5FAFA
100
#E7F4F3
200
#CCEBE9
300
#A7DDDA
400
#77CAC6
500
#48B7B2
600
#39938E
700
#2E7572
800
#245C59
900
#1D4442
950
#132B29

Contrast Checker

Text on white

10.61:1

AA Pass AAA Pass

Text on black

1.98:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026