#63706F

#63706F

Color Values

HEX

#63706F

RGB

99, 112, 111

HSL

175.4, 6.2%, 41.4%

HSV

175.4, 11.6%, 43.9%

CMYK

11.6%, 0.0%, 0.9%, 56.1%

OKLCH

0.534 0.0158 191.1

Properties

Cool Dark Nearest: RAL 7005 Mouse Grey

Color Harmonies

Complementary

#63706F

#706364

Analogous

#637069

#636B70

#63706F

Triadic

#63706F

#6F6370

#706F63

Split Complementary

#63706F

#70636B

#706963

Tetradic

#63706F

#696370

#706364

#6B7063

Color Blindness Simulation

Original

#63706F

Protanopia

#69696F

Deuteranopia

#68676F

Tritanopia

#646F6F

Achromatopsia

#6D6D6D

CSS Usage

background-color: #63706F;
color: #63706F;
border-color: #63706F;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DEDD
300
#BEC6C5
400
#9BA6A6
500
#788786
600
#606C6B
700
#4D5756
800
#3C4443
900
#2E3333
950
#1D2020

Contrast Checker

Text on white

5.15:1

AA Pass AAA Fail

Text on black

4.08:1

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