#647291

#647291

Color Values

HEX

#647291

RGB

100, 114, 145

HSL

221.3, 18.4%, 48.0%

HSV

221.3, 31.0%, 56.9%

CMYK

31.0%, 21.4%, 0.0%, 43.1%

OKLCH

0.5524 0.0513 265.8

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#647291

#918364

Analogous

#648891

#6C6491

#647291

Triadic

#647291

#916472

#729164

Split Complementary

#647291

#916C64

#889164

Tetradic

#647291

#916488

#918364

#64916C

Color Blindness Simulation

Original

#647291

Protanopia

#6A6A8A

Deuteranopia

#696888

Tritanopia

#658482

Achromatopsia

#717171

CSS Usage

background-color: #647291;
color: #647291;
border-color: #647291;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D5D9E2
300
#B7BECD
400
#8F9AB2
500
#687797
600
#535F79
700
#434C61
800
#343B4B
900
#282D38
950
#1A1D24

Contrast Checker

Text on white

4.82:1

AA Pass AAA Fail

Text on black

4.36:1

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