#303B33

#303B33

Color Values

HEX

#303B33

RGB

48, 59, 51

HSL

136.4, 10.3%, 21.0%

HSV

136.4, 18.6%, 23.1%

CMYK

18.6%, 0.0%, 13.6%, 76.9%

OKLCH

0.3395 0.0202 153.7

Properties

Cool Dark Nearest: RAL 6009 Fir Green

Color Harmonies

Complementary

#303B33

#3B3038

Analogous

#333B30

#303B39

#303B33

Triadic

#303B33

#33303B

#3B3330

Split Complementary

#303B33

#39303B

#3B3033

Tetradic

#303B33

#30333B

#3B3038

#3B3930

Color Blindness Simulation

Original

#303B33

Protanopia

#353535

Deuteranopia

#343335

Tritanopia

#313637

Achromatopsia

#383838

CSS Usage

background-color: #303B33;
color: #303B33;
border-color: #303B33;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F7
100
#ECEFEC
200
#D8DFDA
300
#BBC8BF
400
#97AA9C
500
#728D7A
600
#5B7161
700
#495A4E
800
#39463D
900
#2C352E
950
#1C211D

Contrast Checker

Text on white

11.67:1

AA Pass AAA Pass

Text on black

1.8:1

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