#001F03#001F03

#001F03 is a very dark, moderate green. Relative luminance 0.010; OKLCH L 20.8% C 0.065 H 145.0°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#001F03
RGB	rgb(0, 31, 3)
HSL	hsl(126, 100%, 6%)
HSV	hsv(126, 100%, 12%)
CMYK	cmyk(100%, 0%, 90.3%, 87.8%)
CIE-LAB	lab(8.88, -17.53, 11.73)
CIE-LCH	lch(8.88, 21.09, 146.20°)
OKLab	oklab(20.8% -0.0536 0.0375)
OKLCH	oklch(20.8% 0.065 145)
XYZ	xyz(0.5064, 0.9865, 0.2499)
Luminance	0.0099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001F03 #1F001C

analogous

#0C1F00 #001F03 #001F12

triadic

#001F03 #03001F #1F0300

tetradic

#001F03 #000C1F #1F001C #1F1200

square

#001F03 #000C1F #1F001C #1F1200

split-complementary

#001F03 #12001F #1F000C

monochromatic

#001F03 #001F03 #001F03 #005C09 #00990F

Accessibility & contrast

On white

17.54

#001F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#001F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001F03

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001F03	#FFFFFF	#000000	##FFFFFF
##001F03	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B01

Deuteranopia (green-blind)

#1C1805

Tritanopia (blue-blind)

#001E19

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #001f03;
/* rgb */ color: rgb(0, 31, 3);
/* oklch */ color: oklch(20.8% 0.065 145.0);

Tailwind

colors: {
  custom: {
    50: '#455a48',
    500: '#001f03',
    950: '#000000',
  },
}

SCSS

$custom: #001f03;
$custom-light: #455a48;
$custom-dark: #000000;

JSON

{
  "hex": "#001f03",
  "rgb": {
    "r": 0,
    "g": 31,
    "b": 3
  },
  "hsl": {
    "h": 125.806,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.20797,
    "c": 0.06543,
    "h": 145
  },
  "luminance": 0.00987
}

Semantic roles & 50–950 ramp

primary

#001F03

secondary

#681260

accent

#29EAFF

background

#F3F5F4

surface

#E5E9E6

border

#C1C5C2

text

#000400

muted

#767977

Preview Lab

Preview with #001F03

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

Preview Lab → · Contrast checker → · Palette generator →