#333C40

#333C40

Color Values

HEX

#333C40

RGB

51, 60, 64

HSL

198.5, 11.3%, 22.5%

HSV

198.5, 20.3%, 25.1%

CMYK

20.3%, 6.2%, 0.0%, 74.9%

OKLCH

0.3494 0.0139 226.4

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#333C40

#403733

Analogous

#33403D

#333540

#333C40

Triadic

#333C40

#40333C

#3C4033

Split Complementary

#333C40

#403335

#403D33

Tetradic

#333C40

#3D3340

#403733

#354033

Color Blindness Simulation

Original

#333C40

Protanopia

#37373F

Deuteranopia

#36363F

Tritanopia

#333E3E

Achromatopsia

#3A3A3A

CSS Usage

background-color: #333C40;
color: #333C40;
border-color: #333C40;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F8F8
100
#EBEEEF
200
#D7DDDF
300
#BBC4C9
400
#96A5AB
500
#71858E
600
#5A6A72
700
#48555B
800
#394347
900
#2C3235
950
#1B2022

Contrast Checker

Text on white

11.28:1

AA Pass AAA Pass

Text on black

1.86:1

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