#42423A#42423A

#42423A is a dark, near-neutral grey. Relative luminance 0.054; OKLCH L 37.6% C 0.013 H 107.0°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#42423A
RGBrgb(66, 66, 58)
HSLhsl(60, 6%, 24%)
HSVhsv(60, 12%, 26%)
CMYKcmyk(0%, 0%, 12.1%, 74.1%)
CIE-LABlab(27.74, -1.69, 4.88)
CIE-LCHlch(27.74, 5.16, 109.15°)
OKLaboklab(37.64% -0.0039 0.0127)
OKLCHoklch(37.64% 0.013 107)
XYZxyz(4.9586, 5.3602, 4.7756)
Luminance0.0536 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42423A #3A3A42
analogous
#423E3A #42423A #3E423A
triadic
#42423A #3A4242 #423A42
tetradic
#42423A #3A423E #3A3A42 #423A3E
square
#42423A #3A423E #3A3A42 #423A3E
split-complementary
#42423A #3A3E42 #3E3A42
monochromatic
#10100E #21211D #42423A #636357 #838373

Accessibility & contrast

On white

10.14
#42423A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#42423A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42423A
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42423A#FFFFFF#000000##FFFFFF
##42423A1.0010.142.0710.14
#FFFFFF10.141.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#44413A
Deuteranopia (green-blind)
#44423A
Tritanopia (blue-blind)
#434140
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #42423a;
/* rgb */ color: rgb(66, 66, 58);
/* oklch */ color: oklch(37.6% 0.013 107.0);
Tailwind
colors: {
  custom: {
    50: '#767670',
    500: '#42423a',
    950: '#000000',
  },
}
SCSS
$custom: #42423a;
$custom-light: #767670;
$custom-dark: #000000;
JSON
{
  "hex": "#42423a",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 60,
    "s": 6.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37644,
    "c": 0.01326,
    "h": 107
  },
  "luminance": 0.0536
}

Semantic roles & 50–950 ramp

primary
#42423A
secondary
#676771
accent
#78B078
background
#F7F7F6
surface
#EDEDEC
border
#C8C8C7
text
#080807
muted
#7B7B7A

Preview Lab

Preview with #42423A

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

Preview Lab → · Contrast checker → · Palette generator →

#42423A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva