#424C40#424C40

#424C40 is a dark, muted green. Relative luminance 0.067; OKLCH L 40.4% C 0.024 H 140.4°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#424C40
RGBrgb(66, 76, 64)
HSLhsl(110, 9%, 27%)
HSVhsv(110, 16%, 30%)
CMYKcmyk(13.2%, 0%, 15.8%, 70.2%)
CIE-LABlab(31.11, -6.69, 5.80)
CIE-LCHlch(31.11, 8.86, 139.10°)
OKLaboklab(40.37% -0.0182 0.015)
OKLCHoklch(40.37% 0.024 140.4)
XYZxyz(5.7564, 6.6972, 5.8389)
Luminance0.0670 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424C40 #4A404C
analogous
#484C40 #424C40 #404C44
triadic
#424C40 #40424C #4C4042
tetradic
#424C40 #40484C #4A404C #4C4440
square
#424C40 #40484C #4A404C #4C4440
split-complementary
#424C40 #44404C #4C4048
monochromatic
#0E110E #252B24 #424C40 #5F6D5C #7C8E79

Accessibility & contrast

On white

8.98
#424C40 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#424C40 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424C40
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424C40#FFFFFF#000000##FFFFFF
##424C401.008.982.348.98
#FFFFFF8.981.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4A3F
Deuteranopia (green-blind)
#4B4941
Tritanopia (blue-blind)
#424B49
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #424c40;
/* rgb */ color: rgb(66, 76, 64);
/* oklch */ color: oklch(40.4% 0.024 140.4);
Tailwind
colors: {
  custom: {
    50: '#767e74',
    500: '#424c40',
    950: '#000000',
  },
}
SCSS
$custom: #424c40;
$custom-light: #767e74;
$custom-dark: #000000;
JSON
{
  "hex": "#424c40",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 64
  },
  "hsl": {
    "h": 110,
    "s": 8.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.40367,
    "c": 0.02357,
    "h": 140.4
  },
  "luminance": 0.06697
}

Semantic roles & 50–950 ramp

primary
#424C40
secondary
#796D7B
accent
#76B2A8
background
#F7F7F7
surface
#EDEEED
border
#C8C9C8
text
#080908
muted
#7B7B7B

Preview Lab

Preview with #424C40

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

Preview Lab → · Contrast checker → · Palette generator →

#424C40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva