#686D8C

#686D8C

Color Values

HEX

#686D8C

RGB

104, 109, 140

HSL

231.7, 14.8%, 47.8%

HSV

231.7, 25.7%, 54.9%

CMYK

25.7%, 22.1%, 0.0%, 45.1%

OKLCH

0.5423 0.0488 277.5

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#686D8C

#8C8768

Analogous

#687F8C

#75688C

#686D8C

Triadic

#686D8C

#8C686D

#6D8C68

Split Complementary

#686D8C

#8C7568

#7F8C68

Tetradic

#686D8C

#8C687F

#8C8768

#688C75

Color Blindness Simulation

Original

#686D8C

Protanopia

#6A6A85

Deuteranopia

#6A6A83

Tritanopia

#687F7D

Achromatopsia

#6E6E6E

CSS Usage

background-color: #686D8C;
color: #686D8C;
border-color: #686D8C;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F8
100
#EBECEF
200
#D6D7E1
300
#B9BBCB
400
#9397AF
500
#6D7292
600
#575B75
700
#46495E
800
#363949
900
#2A2C37
950
#1B1C23

Contrast Checker

Text on white

5.05:1

AA Pass AAA Fail

Text on black

4.15:1

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