#042427#042427

#042427 is a very dark, muted teal. Relative luminance 0.014; OKLCH L 23.9% C 0.037 H 204.0°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#042427
RGB	rgb(4, 36, 39)
HSL	hsl(185, 81%, 8%)
HSV	hsv(185, 90%, 15%)
CMYK	cmyk(89.7%, 7.7%, 0%, 84.7%)
CIE-LAB	lab(12.18, -10.22, -5.39)
CIE-LCH	lch(12.18, 11.55, 207.81°)
OKLab	oklab(23.9% -0.0337 -0.015)
OKLCH	oklch(23.9% 0.037 204)
XYZ	xyz(1.0470, 1.4339, 2.1407)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042427 #270704

analogous

#042718 #042427 #041227

triadic

#042427 #270424 #242704

tetradic

#042427 #180427 #270704 #122704

square

#042427 #180427 #270704 #122704

split-complementary

#042427 #270412 #271804

monochromatic

#031A1C #031A1C #042427 #0A575F #0F8A96

Accessibility & contrast

On white

16.32

#042427 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#042427 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042427

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042427	#FFFFFF	#000000	##FFFFFF
##042427	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202227

Deuteranopia (green-blind)

#1B1E27

Tritanopia (blue-blind)

#002625

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #042427;
/* rgb */ color: rgb(4, 36, 39);
/* oklch */ color: oklch(23.9% 0.037 204.0);

Tailwind

colors: {
  custom: {
    50: '#4a5e61',
    500: '#042427',
    950: '#000000',
  },
}

SCSS

$custom: #042427;
$custom-light: #4a5e61;
$custom-dark: #000000;

JSON

{
  "hex": "#042427",
  "rgb": {
    "r": 4,
    "g": 36,
    "b": 39
  },
  "hsl": {
    "h": 185.143,
    "s": 81.395,
    "l": 8.431
  },
  "oklch": {
    "l": 0.23903,
    "c": 0.03688,
    "h": 204
  },
  "luminance": 0.01434
}

Semantic roles & 50–950 ramp

primary

#042427

secondary

#6A241D

accent

#4130F8

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010405

muted

#777979

Preview Lab

Preview with #042427

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

Preview Lab → · Contrast checker → · Palette generator →