#155759

#155759

Color Values

HEX

#155759

RGB

21, 87, 89

HSL

181.8, 61.8%, 21.6%

HSV

181.8, 76.4%, 34.9%

CMYK

76.4%, 2.2%, 0.0%, 65.1%

OKLCH

0.4182 0.0634 198.0

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#155759

#591715

Analogous

#155939

#153559

#155759

Triadic

#155759

#591557

#575915

Split Complementary

#155759

#591535

#593915

Tetradic

#155759

#391559

#591715

#355915

Color Blindness Simulation

Original

#155759

Protanopia

#323259

Deuteranopia

#2E2958

Tritanopia

#185858

Achromatopsia

#494949

CSS Usage

background-color: #155759;
color: #155759;
border-color: #155759;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F3FBFB
100
#E4F6F7
200
#C5F0F1
300
#9CE5E8
400
#66D7DB
500
#31CACE
600
#27A1A5
700
#1F8184
800
#186567
900
#164A4B
950
#0E2F30

Contrast Checker

Text on white

8.27:1

AA Pass AAA Pass

Text on black

2.54:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026