#64819F

#64819F

Color Values

HEX

#64819F

RGB

100, 129, 159

HSL

210.5, 23.5%, 50.8%

HSV

210.5, 37.1%, 62.4%

CMYK

37.1%, 18.9%, 0.0%, 37.6%

OKLCH

0.5923 0.0569 249.7

Properties

Cool Light Nearest: skyblue 4

Color Harmonies

Complementary

#64819F

#9F8264

Analogous

#649F9F

#65649F

#64819F

Triadic

#64819F

#9F6481

#819F64

Split Complementary

#64819F

#9F6564

#9F9F64

Tetradic

#64819F

#9F649F

#9F8264

#649F65

Color Blindness Simulation

Original

#64819F

Protanopia

#717198

Deuteranopia

#6F6D96

Tritanopia

#659291

Achromatopsia

#7D7D7D

CSS Usage

background-color: #64819F;
color: #64819F;
border-color: #64819F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DBE4
300
#B3C2D0
400
#8AA0B7
500
#627F9D
600
#4E667E
700
#3E5165
800
#31404F
900
#26303B
950
#181E25

Contrast Checker

Text on white

4.05:1

AA Fail AAA Fail

Text on black

5.18:1

AA Pass 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