#031B00#031B00

#031B00 is a very dark, moderate green. Relative luminance 0.008; OKLCH L 19.5% C 0.063 H 140.0°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#031B00
RGB	rgb(3, 27, 0)
HSL	hsl(113, 100%, 5%)
HSV	hsv(113, 100%, 11%)
CMYK	cmyk(88.9%, 0%, 100%, 89.4%)
CIE-LAB	lab(7.26, -13.68, 10.62)
CIE-LCH	lch(7.26, 17.31, 142.19°)
OKLab	oklab(19.46% -0.048 0.0403)
OKLCH	oklch(19.46% 0.063 140)
XYZ	xyz(0.4295, 0.8032, 0.1324)
Luminance	0.0080 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B00 #18001B

analogous

#101B00 #031B00 #001B0A

triadic

#031B00 #00031B #1B0003

tetradic

#031B00 #00101B #18001B #1B0A00

square

#031B00 #00101B #18001B #1B0A00

split-complementary

#031B00 #0A001B #1B0010

monochromatic

#031F00 #031F00 #031F00 #0A5800 #119500

Accessibility & contrast

On white

18.09

#031B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B00

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B00	#FFFFFF	#000000	##FFFFFF
##031B00	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1700

Deuteranopia (green-blind)

#191502

Tritanopia (blue-blind)

#011A15

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031b00;
/* rgb */ color: rgb(3, 27, 0);
/* oklch */ color: oklch(19.5% 0.063 140.0);

Tailwind

colors: {
  custom: {
    50: '#475746',
    500: '#031b00',
    950: '#000000',
  },
}

SCSS

$custom: #031b00;
$custom-light: #475746;
$custom-dark: #000000;

JSON

{
  "hex": "#031b00",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 0
  },
  "hsl": {
    "h": 113.333,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19457,
    "c": 0.06265,
    "h": 140
  },
  "luminance": 0.00803
}

Semantic roles & 50–950 ramp

primary

#031B00

secondary

#5C1265

accent

#29FFE7

background

#F4F5F3

surface

#E6E9E5

border

#C2C5C1

text

#000300

muted

#777877

Preview Lab

Preview with #031B00

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

Preview Lab → · Contrast checker → · Palette generator →