#1B5251

#1B5251

Color Values

HEX

#1B5251

RGB

27, 82, 81

HSL

178.9, 50.5%, 21.4%

HSV

178.9, 67.1%, 32.2%

CMYK

67.1%, 0.0%, 1.2%, 67.8%

OKLCH

0.4027 0.0567 193.4

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1B5251

#521B1C

Analogous

#1B5236

#1B3852

#1B5251

Triadic

#1B5251

#511B52

#52511B

Split Complementary

#1B5251

#521B38

#52361B

Tetradic

#1B5251

#361B52

#521B1C

#38521B

Color Blindness Simulation

Original

#1B5251

Protanopia

#333351

Deuteranopia

#302C51

Tritanopia

#1E5151

Achromatopsia

#464646

CSS Usage

background-color: #1B5251;
color: #1B5251;
border-color: #1B5251;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FBFB
100
#E5F5F5
200
#C9EDED
300
#A3E1E0
400
#71D0CF
500
#3FC0BE
600
#329A98
700
#287B79
800
#20605F
900
#1A4646
950
#112D2C

Contrast Checker

Text on white

8.85:1

AA Pass AAA Pass

Text on black

2.37:1

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