#155C9B

#155C9B

Color Values

HEX

#155C9B

RGB

21, 92, 155

HSL

208.2, 76.1%, 34.5%

HSV

208.2, 86.5%, 60.8%

CMYK

86.5%, 40.6%, 0.0%, 39.2%

OKLCH

0.467 0.1219 250.5

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#155C9B

#9B5415

Analogous

#159B97

#15199B

#155C9B

Triadic

#155C9B

#9B155C

#5C9B15

Split Complementary

#155C9B

#9B1519

#9B9715

Tetradic

#155C9B

#97159B

#9B5415

#199B15

Color Blindness Simulation

Original

#155C9B

Protanopia

#34348C

Deuteranopia

#302A88

Tritanopia

#19807D

Achromatopsia

#515151

CSS Usage

background-color: #155C9B;
color: #155C9B;
border-color: #155C9B;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F2F8FC
100
#E2EEF9
200
#C0DDF6
300
#93C5F0
400
#59A5E8
500
#1E85E1
600
#186BB4
700
#145590
800
#0F4370
900
#0F3252
950
#0A2034

Contrast Checker

Text on white

6.92:1

AA Pass AAA Fail

Text on black

3.04:1

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