#153456

#153456

Color Values

HEX

#153456

RGB

21, 52, 86

HSL

211.4, 60.7%, 21.0%

HSV

211.4, 75.6%, 33.7%

CMYK

75.6%, 39.5%, 0.0%, 66.3%

OKLCH

0.3204 0.0712 252.7

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#153456

#563715

Analogous

#155556

#171556

#153456

Triadic

#153456

#561534

#345615

Split Complementary

#153456

#561715

#555615

Tetradic

#153456

#561555

#563715

#155617

Color Blindness Simulation

Original

#153456

Protanopia

#22234E

Deuteranopia

#211E4C

Tritanopia

#174746

Achromatopsia

#303030

CSS Usage

background-color: #153456;
color: #153456;
border-color: #153456;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DAF1
300
#9DC0E7
400
#679EDA
500
#327CCD
600
#2863A4
700
#204F83
800
#193E66
900
#162F4B
950
#0E1E2F

Contrast Checker

Text on white

12.67:1

AA Pass AAA Pass

Text on black

1.66:1

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