#031B01#031B01

#031B01 is a very dark, moderate green. Relative luminance 0.008; OKLCH L 19.5% C 0.061 H 141.0°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#031B01
RGB	rgb(3, 27, 1)
HSL	hsl(115, 93%, 5%)
HSV	hsv(115, 96%, 11%)
CMYK	cmyk(88.9%, 0%, 96.3%, 89.4%)
CIE-LAB	lab(7.28, -13.54, 10.24)
CIE-LCH	lch(7.28, 16.98, 142.91°)
OKLab	oklab(19.48% -0.0471 0.0381)
OKLCH	oklch(19.48% 0.061 141)
XYZ	xyz(0.4349, 0.8054, 0.1612)
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

#031B01 #19011B

analogous

#101B01 #031B01 #011B0C

triadic

#031B01 #01031B #1B0103

tetradic

#031B01 #01101B #19011B #1B0C01

square

#031B01 #01101B #19011B #1B0C01

split-complementary

#031B01 #0C011B #1B0110

monochromatic

#031E01 #031E01 #031E01 #0A5603 #109105

Accessibility & contrast

On white

18.09

#031B01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031B01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B01

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B01	#FFFFFF	#000000	##FFFFFF
##031B01	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: #031b01;
/* rgb */ color: rgb(3, 27, 1);
/* oklch */ color: oklch(19.5% 0.061 141.0);

Tailwind

colors: {
  custom: {
    50: '#475747',
    500: '#031b01',
    950: '#000000',
  },
}

SCSS

$custom: #031b01;
$custom-light: #475747;
$custom-dark: #000000;

JSON

{
  "hex": "#031b01",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 1
  },
  "hsl": {
    "h": 115.385,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.19482,
    "c": 0.06058,
    "h": 141
  },
  "luminance": 0.00805
}

Semantic roles & 50–950 ramp

primary

#031B01

secondary

#5D1563

accent

#29FFEF

background

#F4F5F3

surface

#E6E9E5

border

#C2C5C1

text

#000300

muted

#777877

Preview Lab

Preview with #031B01

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

Preview Lab → · Contrast checker → · Palette generator →