Rich Black Tetradic Color Scheme

Five colors arranged by the tetradic rule around Rich Black (#004040), each snapped to its nearest named color.

#004040

#220044

#410200

#334400

#00A4A6

Color names and codes

Name	HEX	RGB	HSL	CMYK
Rich Black	`#004040`	0, 64, 64	180°, 100%, 13%	100, 0, 0, 75
Your Darkness	`#220044`	34, 0, 68	270°, 100%, 13%	50, 100, 0, 73
Biltong	`#410200`	65, 2, 0	2°, 100%, 13%	0, 97, 100, 75
Garden Shadow	`#334400`	51, 68, 0	75°, 100%, 13%	25, 0, 100, 73
Wax Crayon Blue	`#00A4A6`	0, 164, 166	181°, 100%, 33%	100, 1, 0, 35

Which pairs work for text

Text on background	Contrast	WCAG
Aa #220044 on #00A4A6	5.96:1	AA
Aa #410200 on #00A4A6	5.56:1	AA
Aa #004040 on #00A4A6	3.80:1	AA large
Aa #334400 on #00A4A6	3.49:1	AA large
Aa #220044 on #334400	1.71:1	—
Aa #410200 on #334400	1.60:1	—

CSS variables

:root {
  --color-1: #004040; /* Rich Black */
  --color-2: #220044; /* Your Darkness */
  --color-3: #410200; /* Biltong */
  --color-4: #334400; /* Garden Shadow */
  --color-5: #00a4a6; /* Wax Crayon Blue */
}

Other schemes from Rich Black

More Very Dark Teal tetradic palettes

Questions

What colors go with Rich Black?

In a tetradic scheme: Your Darkness (#220044), Biltong (#410200), Garden Shadow (#334400), Wax Crayon Blue (#00A4A6).

What is the hex code of Rich Black?

#004040.