#155687

#155687

Color Values

HEX

#155687

RGB

21, 86, 135

HSL

205.8, 73.1%, 30.6%

HSV

205.8, 84.4%, 52.9%

CMYK

84.4%, 36.3%, 0.0%, 47.1%

OKLCH

0.4394 0.1022 246.5

Properties

Cool Dark Nearest: RAL 5019 Capri Blue

Color Harmonies

Complementary

#155687

#874615

Analogous

#15877F

#151D87

#155687

Triadic

#155687

#871556

#568715

Split Complementary

#155687

#87151D

#877F15

Tetradic

#155687

#7F1587

#874615

#1D8715

Color Blindness Simulation

Original

#155687

Protanopia

#31327B

Deuteranopia

#2D2878

Tritanopia

#187270

Achromatopsia

#4C4C4C

CSS Usage

background-color: #155687;
color: #155687;
border-color: #155687;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F8FC
100
#E2EFF8
200
#C1DFF5
300
#95C8EF
400
#5CAAE6
500
#228DDD
600
#1B70B1
700
#165A8D
800
#11466E
900
#113550
950
#0A2133

Contrast Checker

Text on white

7.74:1

AA Pass AAA Pass

Text on black

2.71:1

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