#031B0A#031B0A

#031B0A is a very dark, muted green. Relative luminance 0.008; OKLCH L 19.7% C 0.046 H 151.2°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#031B0A
RGB	rgb(3, 27, 10)
HSL	hsl(138, 80%, 6%)
HSV	hsv(138, 89%, 11%)
CMYK	cmyk(88.9%, 0%, 63%, 89.4%)
CIE-LAB	lab(7.45, -12.29, 6.83)
CIE-LCH	lch(7.45, 14.06, 150.93°)
OKLab	oklab(19.7% -0.0404 0.0222)
OKLCH	oklch(19.7% 0.046 151.2)
XYZ	xyz(0.4842, 0.8251, 0.4208)
Luminance	0.0083 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B0A #1B0314

analogous

#081B03 #031B0A #031B16

triadic

#031B0A #0A031B #1B0A03

tetradic

#031B0A #03081B #1B0314 #1B1603

square

#031B0A #03081B #1B0314 #1B1603

split-complementary

#031B0A #16031B #1B0308

monochromatic

#031C0A #031C0A #031C0A #09521E #0F8933

Accessibility & contrast

On white

18.03

#031B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#031B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B0A

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B0A	#FFFFFF	#000000	##FFFFFF
##031B0A	1.00	18.03	1.17	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1809

Deuteranopia (green-blind)

#18160B

Tritanopia (blue-blind)

#001A17

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031b0a;
/* rgb */ color: rgb(3, 27, 10);
/* oklch */ color: oklch(19.7% 0.046 151.2);

Tailwind

colors: {
  custom: {
    50: '#47574b',
    500: '#031b0a',
    950: '#000000',
  },
}

SCSS

$custom: #031b0a;
$custom-light: #47574b;
$custom-dark: #000000;

JSON

{
  "hex": "#031b0a",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 10
  },
  "hsl": {
    "h": 137.5,
    "s": 80,
    "l": 5.882
  },
  "oklch": {
    "l": 0.19698,
    "c": 0.04611,
    "h": 151.2
  },
  "luminance": 0.00825
}

Semantic roles & 50–950 ramp

primary

#031B0A

secondary

#5F1B4B

accent

#31BDF6

background

#F4F5F4

surface

#E6E9E7

border

#C2C5C3

text

#000301

muted

#777877

Preview Lab

Preview with #031B0A

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

Preview Lab → · Contrast checker → · Palette generator →