#042728#042728

#042728 is a very dark, muted teal. Relative luminance 0.016; OKLCH L 24.9% C 0.039 H 197.7°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#042728
RGB	rgb(4, 39, 40)
HSL	hsl(182, 82%, 9%)
HSV	hsv(182, 90%, 16%)
CMYK	cmyk(90%, 2.5%, 0%, 84.3%)
CIE-LAB	lab(13.41, -11.71, -4.26)
CIE-LCH	lch(13.41, 12.46, 200.00°)
OKLab	oklab(24.91% -0.037 -0.0118)
OKLCH	oklch(24.91% 0.039 197.7)
XYZ	xyz(1.1584, 1.6299, 2.2606)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042728 #280504

analogous

#042817 #042728 #041528

triadic

#042728 #280427 #272804

tetradic

#042728 #170428 #280504 #152804

square

#042728 #170428 #280504 #152804

split-complementary

#042728 #280415 #281704

monochromatic

#031B1C #031B1C #042728 #0A5D60 #0F9397

Accessibility & contrast

On white

15.84

#042728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#042728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042728

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042728	#FFFFFF	#000000	##FFFFFF
##042728	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232528

Deuteranopia (green-blind)

#1E2128

Tritanopia (blue-blind)

#002927

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #042728;
/* rgb */ color: rgb(4, 39, 40);
/* oklch */ color: oklch(24.9% 0.039 197.7);

Tailwind

colors: {
  custom: {
    50: '#4b6161',
    500: '#042728',
    950: '#000000',
  },
}

SCSS

$custom: #042728;
$custom-light: #4b6161;
$custom-dark: #000000;

JSON

{
  "hex": "#042728",
  "rgb": {
    "r": 4,
    "g": 39,
    "b": 40
  },
  "hsl": {
    "h": 181.667,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.24913,
    "c": 0.03884,
    "h": 197.7
  },
  "luminance": 0.0163
}

Semantic roles & 50–950 ramp

primary

#042728

secondary

#6B1F1D

accent

#3530F8

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010505

muted

#777979

Preview Lab

Preview with #042728

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

Preview Lab → · Contrast checker → · Palette generator →