#1F421D#1F421D

#1F421D is a dark, moderate green. Relative luminance 0.043; OKLCH L 34.2% C 0.074 H 142.7°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX#1F421D
RGBrgb(31, 66, 29)
HSLhsl(117, 39%, 19%)
HSVhsv(117, 56%, 26%)
CMYKcmyk(53%, 0%, 56.1%, 74.1%)
CIE-LABlab(24.56, -21.63, 18.58)
CIE-LCHlch(24.56, 28.52, 139.33°)
OKLaboklab(34.23% -0.0589 0.0449)
OKLCHoklch(34.23% 0.074 142.7)
XYZxyz(2.7349, 4.2763, 1.8434)
Luminance0.0428 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F421D #401D42
analogous
#31421D #1F421D #1D422D
triadic
#1F421D #1D1F42 #421D1F
tetradic
#1F421D #1D3142 #401D42 #422D1D
square
#1F421D #1D3142 #401D42 #422D1D
split-complementary
#1F421D #2D1D42 #421D31
monochromatic
#0A1509 #0B170A #1F421D #336D30 #479742

Accessibility & contrast

On white

11.32
#1F421D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#1F421D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F421D
11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F421D#FFFFFF#000000##FFFFFF
##1F421D1.0011.321.8611.32
#FFFFFF11.321.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#433C1A
Deuteranopia (green-blind)
#3F3920
Tritanopia (blue-blind)
#1B4039
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #1f421d;
/* rgb */ color: rgb(31, 66, 29);
/* oklch */ color: oklch(34.2% 0.074 142.7);
Tailwind
colors: {
  custom: {
    50: '#5e775a',
    500: '#1f421d',
    950: '#000000',
  },
}
SCSS
$custom: #1f421d;
$custom-light: #5e775a;
$custom-dark: #000000;
JSON
{
  "hex": "#1f421d",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 29
  },
  "hsl": {
    "h": 116.757,
    "s": 38.947,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34233,
    "c": 0.07407,
    "h": 142.7
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary
#1F421D
secondary
#744477
accent
#59CFC8
background
#F5F7F5
surface
#E9EDE9
border
#C5C8C5
text
#040803
muted
#797B78

Preview Lab

Preview with #1F421D

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

Preview Lab → · Contrast checker → · Palette generator →

#1F421D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva