#637074

#637074

Color Values

HEX

#637074

RGB

99, 112, 116

HSL

194.1, 7.9%, 42.2%

HSV

194.1, 14.7%, 45.5%

CMYK

14.7%, 3.4%, 0.0%, 54.5%

OKLCH

0.5357 0.0169 218.2

Properties

Cool Dark Nearest: dimgrey

Color Harmonies

Complementary

#637074

#746763

Analogous

#637470

#636874

#637074

Triadic

#637074

#746370

#707463

Split Complementary

#637074

#746368

#747063

Tetradic

#637074

#706374

#746763

#687463

Color Blindness Simulation

Original

#637074

Protanopia

#696973

Deuteranopia

#686773

Tritanopia

#647272

Achromatopsia

#6E6E6E

CSS Usage

background-color: #637074;
color: #637074;
border-color: #637074;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D8DDDE
300
#BDC4C7
400
#99A5A8
500
#75858A
600
#5E6A6E
700
#4B5558
800
#3B4245
900
#2D3234
950
#1C2021

Contrast Checker

Text on white

5.12:1

AA Pass AAA Fail

Text on black

4.1:1

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