#677D99

#677D99

Color Values

HEX

#677D99

RGB

103, 125, 153

HSL

213.6, 19.7%, 50.2%

HSV

213.6, 32.7%, 60.0%

CMYK

32.7%, 18.3%, 0.0%, 40.0%

OKLCH

0.5828 0.0504 254.6

Properties

Cool Light Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#677D99

#998367

Analogous

#679699

#6A6799

#677D99

Triadic

#677D99

#99677D

#7D9967

Split Complementary

#677D99

#996A67

#969967

Tetradic

#677D99

#996796

#998367

#67996A

Color Blindness Simulation

Original

#677D99

Protanopia

#717192

Deuteranopia

#6F6E91

Tritanopia

#688D8C

Achromatopsia

#7A7A7A

CSS Usage

background-color: #677D99;
color: #677D99;
border-color: #677D99;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DAE2
300
#B6C0CE
400
#8E9EB3
500
#667C99
600
#52647A
700
#425062
800
#333E4C
900
#282F39
950
#191E24

Contrast Checker

Text on white

4.23:1

AA Fail AAA Fail

Text on black

4.97:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026