#455151

#455151

Color Values

HEX

#455151

RGB

69, 81, 81

HSL

180.0, 8.0%, 29.4%

HSV

180.0, 14.8%, 31.8%

CMYK

14.8%, 0.0%, 0.0%, 68.2%

OKLCH

0.4245 0.0152 196.6

Properties

Cool Dark Nearest: RAL 7011 Iron Grey

Color Harmonies

Complementary

#455151

#514545

Analogous

#45514B

#454B51

#455151

Triadic

#455151

#514551

#515145

Split Complementary

#455151

#51454B

#514B45

Tetradic

#455151

#4B4551

#514545

#4B5145

Color Blindness Simulation

Original

#455151

Protanopia

#4A4A51

Deuteranopia

#4A4951

Tritanopia

#465151

Achromatopsia

#4E4E4E

CSS Usage

background-color: #455151;
color: #455151;
border-color: #455151;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D8DEDE
300
#BDC7C7
400
#99A8A8
500
#758A8A
600
#5E6E6E
700
#4B5858
800
#3B4545
900
#2D3434
950
#1C2121

Contrast Checker

Text on white

8.24:1

AA Pass AAA Pass

Text on black

2.55:1

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