#042523#042523

#042523 is a very dark, muted teal. Relative luminance 0.015; OKLCH L 24.0% C 0.038 H 189.2°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#042523
RGB	rgb(4, 37, 35)
HSL	hsl(176, 80%, 8%)
HSV	hsv(176, 89%, 15%)
CMYK	cmyk(89.2%, 0%, 5.4%, 85.5%)
CIE-LAB	lab(12.42, -12.39, -2.14)
CIE-LCH	lch(12.42, 12.57, 189.81°)
OKLab	oklab(24.04% -0.0373 -0.006)
OKLCH	oklch(24.04% 0.038 189.2)
XYZ	xyz(1.0149, 1.4702, 1.8201)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042523 #250406

analogous

#042512 #042523 #041625

triadic

#042523 #230425 #252304

tetradic

#042523 #120425 #250406 #162504

square

#042523 #120425 #250406 #162504

split-complementary

#042523 #250416 #251204

monochromatic

#031C1A #031C1A #042523 #0A5C57 #10938B

Accessibility & contrast

On white

16.23

#042523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#042523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042523

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042523	#FFFFFF	#000000	##FFFFFF
##042523	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222223

Deuteranopia (green-blind)

#1D1F23

Tritanopia (blue-blind)

#002624

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #042523;
/* rgb */ color: rgb(4, 37, 35);
/* oklch */ color: oklch(24.0% 0.038 189.2);

Tailwind

colors: {
  custom: {
    50: '#4a5f5d',
    500: '#042523',
    950: '#000000',
  },
}

SCSS

$custom: #042523;
$custom-light: #4a5f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#042523",
  "rgb": {
    "r": 4,
    "g": 37,
    "b": 35
  },
  "hsl": {
    "h": 176.364,
    "s": 80.488,
    "l": 8.039
  },
  "oklch": {
    "l": 0.2404,
    "c": 0.03778,
    "h": 189.2
  },
  "luminance": 0.0147
}

Semantic roles & 50–950 ramp

primary

#042523

secondary

#681D22

accent

#313DF7

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010404

muted

#777979

Preview Lab

Preview with #042523

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

Preview Lab → · Contrast checker → · Palette generator →