#1B5259

#1B5259

Color Values

HEX

#1B5259

RGB

27, 82, 89

HSL

186.8, 53.4%, 22.7%

HSV

186.8, 69.7%, 34.9%

CMYK

69.7%, 7.9%, 0.0%, 65.1%

OKLCH

0.406 0.0575 207.0

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#1B5259

#59221B

Analogous

#1B5941

#1B3359

#1B5259

Triadic

#1B5259

#591B52

#52591B

Split Complementary

#1B5259

#591B33

#59411B

Tetradic

#1B5259

#411B59

#59221B

#33591B

Color Blindness Simulation

Original

#1B5259

Protanopia

#333357

Deuteranopia

#302C57

Tritanopia

#1E5656

Achromatopsia

#474747

CSS Usage

background-color: #1B5259;
color: #1B5259;
border-color: #1B5259;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FAFB
100
#E5F3F5
200
#C8EAEE
300
#A1DBE2
400
#6EC8D3
500
#3BB4C4
600
#30909C
700
#26737D
800
#1E5A62
900
#194248
950
#102A2D

Contrast Checker

Text on white

8.76:1

AA Pass AAA Pass

Text on black

2.4:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026