#042223#042223

#042223 is a very dark, muted teal. Relative luminance 0.013; OKLCH L 23.1% C 0.035 H 198.1°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#042223
RGB	rgb(4, 34, 35)
HSL	hsl(182, 79%, 8%)
HSV	hsv(182, 89%, 14%)
CMYK	cmyk(88.6%, 2.9%, 0%, 86.3%)
CIE-LAB	lab(11.21, -10.54, -3.94)
CIE-LCH	lch(11.21, 11.25, 200.49°)
OKLab	oklab(23.06% -0.0333 -0.0109)
OKLCH	oklch(23.06% 0.035 198.1)
XYZ	xyz(0.9253, 1.2911, 1.7902)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042223 #230504

analogous

#042314 #042223 #041323

triadic

#042223 #230422 #222304

tetradic

#042223 #140423 #230504 #132304

square

#042223 #140423 #230504 #132304

split-complementary

#042223 #230413 #231404

monochromatic

#031B1B #031B1B #042223 #0A575A #118D91

Accessibility & contrast

On white

16.69

#042223 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#042223 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042223

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042223	#FFFFFF	#000000	##FFFFFF
##042223	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2023

Deuteranopia (green-blind)

#1A1C23

Tritanopia (blue-blind)

#002422

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #042223;
/* rgb */ color: rgb(4, 34, 35);
/* oklch */ color: oklch(23.1% 0.035 198.1);

Tailwind

colors: {
  custom: {
    50: '#495d5d',
    500: '#042223',
    950: '#000000',
  },
}

SCSS

$custom: #042223;
$custom-light: #495d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#042223",
  "rgb": {
    "r": 4,
    "g": 34,
    "b": 35
  },
  "hsl": {
    "h": 181.935,
    "s": 79.487,
    "l": 7.647
  },
  "oklch": {
    "l": 0.23062,
    "c": 0.0351,
    "h": 198.1
  },
  "luminance": 0.01291
}

Semantic roles & 50–950 ramp

primary

#042223

secondary

#661F1D

accent

#3832F6

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010404

muted

#777979

Preview Lab

Preview with #042223

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →