#646089

#646089

Color Values

HEX

#646089

RGB

100, 96, 137

HSL

245.9, 17.6%, 45.7%

HSV

245.9, 29.9%, 53.7%

CMYK

27.0%, 29.9%, 0.0%, 46.3%

OKLCH

0.5093 0.0645 288.4

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#646089

#858960

Analogous

#607189

#796089

#646089

Triadic

#646089

#896460

#608964

Split Complementary

#646089

#897960

#718960

Tetradic

#646089

#896071

#858960

#608979

Color Blindness Simulation

Original

#646089

Protanopia

#62627F

Deuteranopia

#62637D

Tritanopia

#647776

Achromatopsia

#646464

CSS Usage

background-color: #646089;
color: #646089;
border-color: #646089;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F6F8
100
#EBEAF0
200
#D6D5E2
300
#B9B7CD
400
#9390B1
500
#6D6996
600
#585478
700
#464360
800
#37354B
900
#2A2938
950
#1B1A23

Contrast Checker

Text on white

5.87:1

AA Pass AAA Fail

Text on black

3.58:1

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