#616657

#616657

Color Values

HEX

#616657

RGB

97, 102, 87

HSL

80.0, 7.9%, 37.1%

HSV

80.0, 14.7%, 40.0%

CMYK

4.9%, 0.0%, 14.7%, 60.0%

OKLCH

0.5013 0.024 122.3

Properties

Cool Dark Nearest: RAL 7023 Concrete Grey

Color Harmonies

Complementary

#616657

#5C5766

Analogous

#666457

#5A6657

#616657

Triadic

#616657

#576166

#665761

Split Complementary

#616657

#575A66

#645766

Tetradic

#616657

#576664

#5C5766

#66575A

Color Blindness Simulation

Original

#616657

Protanopia

#63635B

Deuteranopia

#63625C

Tritanopia

#615D5E

Achromatopsia

#646464

CSS Usage

background-color: #616657;
color: #616657;
border-color: #616657;
Nearest Tailwind: Stone 500 #78716C

Tailwind Shades

50
#F8F8F7
100
#EEEEEC
200
#DCDED8
300
#C3C7BD
400
#A3A899
500
#838A75
600
#696E5E
700
#54584B
800
#41453B
900
#32342D
950
#1F211C

Contrast Checker

Text on white

5.92:1

AA Pass AAA Fail

Text on black

3.55:1

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