#15434C

#15434C

Color Values

HEX

#15434C

RGB

21, 67, 76

HSL

189.8, 56.7%, 19.0%

HSV

189.8, 72.4%, 29.8%

CMYK

72.4%, 11.8%, 0.0%, 70.2%

OKLCH

0.356 0.0512 213.0

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#15434C

#4C1E15

Analogous

#154C39

#15274C

#15434C

Triadic

#15434C

#4C1543

#434C15

Split Complementary

#15434C

#4C1527

#4C3915

Tetradic

#15434C

#39154C

#4C1E15

#274C15

Color Blindness Simulation

Original

#15434C

Protanopia

#29294A

Deuteranopia

#262349

Tritanopia

#174848

Achromatopsia

#3A3A3A

CSS Usage

background-color: #15434C;
color: #15434C;
border-color: #15434C;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F4FAFB
100
#E5F3F6
200
#C7E9F0
300
#9FD9E5
400
#6BC5D6
500
#37B0C8
600
#2C8DA0
700
#237180
800
#1C5864
900
#184149
950
#0F292E

Contrast Checker

Text on white

10.83:1

AA Pass AAA Pass

Text on black

1.94:1

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