#64688F

#64688F

Color Values

HEX

#64688F

RGB

100, 104, 143

HSL

234.4, 17.7%, 47.6%

HSV

234.4, 30.1%, 56.1%

CMYK

30.1%, 27.3%, 0.0%, 43.9%

OKLCH

0.5294 0.0614 279.5

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#64688F

#8F8B64

Analogous

#647D8F

#75648F

#64688F

Triadic

#64688F

#8F6468

#688F64

Split Complementary

#64688F

#8F7564

#7D8F64

Tetradic

#64688F

#8F647D

#8F8B64

#648F75

Color Blindness Simulation

Original

#64688F

Protanopia

#666686

Deuteranopia

#666583

Tritanopia

#647E7C

Achromatopsia

#6A6A6A

CSS Usage

background-color: #64688F;
color: #64688F;
border-color: #64688F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D5D6E2
300
#B7B9CD
400
#9093B1
500
#696D96
600
#545778
700
#434660
800
#34374B
900
#292A38
950
#1A1B23

Contrast Checker

Text on white

5.36:1

AA Pass AAA Fail

Text on black

3.92:1

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