#63707B

#63707B

Color Values

HEX

#63707B

RGB

99, 112, 123

HSL

207.5, 10.8%, 43.5%

HSV

207.5, 19.5%, 48.2%

CMYK

19.5%, 8.9%, 0.0%, 51.8%

OKLCH

0.5382 0.0233 243.7

Properties

Cool Dark Nearest: lightsteelblue 4

Color Harmonies

Complementary

#63707B

#7B6E63

Analogous

#637B7A

#63647B

#63707B

Triadic

#63707B

#7B6370

#707B63

Split Complementary

#63707B

#7B6364

#7B7A63

Tetradic

#63707B

#7A637B

#7B6E63

#647B63

Color Blindness Simulation

Original

#63707B

Protanopia

#696978

Deuteranopia

#686778

Tritanopia

#647676

Achromatopsia

#6E6E6E

CSS Usage

background-color: #63707B;
color: #63707B;
border-color: #63707B;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F7F7F8
100
#ECEDEF
200
#D7DCDF
300
#BBC2C8
400
#96A1AB
500
#72818D
600
#5B6771
700
#49525A
800
#394047
900
#2C3135
950
#1C1F22

Contrast Checker

Text on white

5.08:1

AA Pass AAA Fail

Text on black

4.13:1

AA Fail 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