#030B0B

#030B0B

Color Values

HEX

#030B0B

RGB

3, 11, 11

HSL

180.0, 57.1%, 2.7%

HSV

180.0, 72.7%, 4.3%

CMYK

72.7%, 0.0%, 0.0%, 95.7%

OKLCH

0.1396 0.0155 195.5

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#030B0B

#0B0303

Analogous

#030B07

#03070B

#030B0B

Triadic

#030B0B

#0B030B

#0B0B03

Split Complementary

#030B0B

#0B0307

#0B0703

Tetradic

#030B0B

#07030B

#0B0303

#070B03

Color Blindness Simulation

Original

#030B0B

Protanopia

#06070B

Deuteranopia

#06050B

Tritanopia

#030B0B

Achromatopsia

#090909

CSS Usage

background-color: #030B0B;
color: #030B0B;
border-color: #030B0B;
Nearest Tailwind: Neutral 950 #0A0A0A

Tailwind Shades

50
#F4FBFB
100
#E4F6F6
200
#C7F0F0
300
#9FE5E5
400
#6BD7D7
500
#37C8C8
600
#2CA0A0
700
#238080
800
#1B6464
900
#184949
950
#0F2E2E

Contrast Checker

Text on white

19.88:1

AA Pass AAA Pass

Text on black

1.06:1

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