#303B41

#303B41

Color Values

HEX

#303B41

RGB

48, 59, 65

HSL

201.2, 15.0%, 22.2%

HSV

201.2, 26.2%, 25.5%

CMYK

26.2%, 9.2%, 0.0%, 74.5%

OKLCH

0.3447 0.018 231.8

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#303B41

#413630

Analogous

#30413F

#303341

#303B41

Triadic

#303B41

#41303B

#3B4130

Split Complementary

#303B41

#413033

#413F30

Tetradic

#303B41

#3F3041

#413630

#334130

Color Blindness Simulation

Original

#303B41

Protanopia

#353540

Deuteranopia

#34333F

Tritanopia

#313E3E

Achromatopsia

#393939

CSS Usage

background-color: #303B41;
color: #303B41;
border-color: #303B41;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F6F8F8
100
#EBEEEF
200
#D6DDE1
300
#B9C4CB
400
#92A5AF
500
#6C8593
600
#576A75
700
#45555E
800
#364349
900
#2A3237
950
#1A2023

Contrast Checker

Text on white

11.49:1

AA Pass AAA Pass

Text on black

1.83:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026