#1B4F4B

#1B4F4B

Color Values

HEX

#1B4F4B

RGB

27, 79, 75

HSL

175.4, 49.1%, 20.8%

HSV

175.4, 65.8%, 31.0%

CMYK

65.8%, 0.0%, 5.1%, 69.0%

OKLCH

0.3919 0.0551 188.1

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1B4F4B

#4F1B1F

Analogous

#1B4F31

#1B394F

#1B4F4B

Triadic

#1B4F4B

#4B1B4F

#4F4B1B

Split Complementary

#1B4F4B

#4F1B39

#4F311B

Tetradic

#1B4F4B

#311B4F

#4F1B1F

#394F1B

Color Blindness Simulation

Original

#1B4F4B

Protanopia

#32324C

Deuteranopia

#2E2B4C

Tritanopia

#1E4D4D

Achromatopsia

#444444

CSS Usage

background-color: #1B4F4B;
color: #1B4F4B;
border-color: #1B4F4B;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FBFA
100
#E6F5F3
200
#CAEDEA
300
#A4E0DB
400
#72CFC8
500
#41BEB5
600
#349890
700
#2A7A74
800
#205F5A
900
#1B4643
950
#112C2A

Contrast Checker

Text on white

9.26:1

AA Pass AAA Pass

Text on black

2.27:1

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