#040803#040803

#040803 is a very dark, near-neutral green. Relative luminance 0.002; OKLCH L 12.6% C 0.018 H 138.0°. Best body text is #FFFFFF at 20.17:1 contrast (WCAG AA passes).

Color values

HEX	#040803
RGB	rgb(4, 8, 3)
HSL	hsl(108, 45%, 2%)
HSV	hsv(108, 63%, 3%)
CMYK	cmyk(50%, 0%, 62.5%, 96.9%)
CIE-LAB	lab(1.86, -1.74, 1.52)
CIE-LCH	lch(1.86, 2.31, 138.81°)
OKLab	oklab(12.55% -0.0136 0.0122)
OKLCH	oklch(12.55% 0.018 138)
XYZ	xyz(0.1533, 0.2060, 0.1178)
Luminance	0.0021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040803 #070308

analogous

#070803 #040803 #030805

triadic

#040803 #030408 #080304

tetradic

#040803 #030708 #070308 #080503

square

#040803 #030708 #070308 #080503

split-complementary

#040803 #050308 #080307

monochromatic

#0B1608 #0B1608 #0B1608 #1A3514 #316124

Accessibility & contrast

On white

20.17

#040803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040803

20.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040803	#FFFFFF	#000000	##FFFFFF
##040803	1.00	20.17	1.04	20.17
#FFFFFF	20.17	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080703

Deuteranopia (green-blind)

#080703

Tritanopia (blue-blind)

#040806

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #040803;
/* rgb */ color: rgb(4, 8, 3);
/* oklch */ color: oklch(12.6% 0.018 138.0);

Tailwind

colors: {
  custom: {
    50: '#484a48',
    500: '#040803',
    950: '#000000',
  },
}

SCSS

$custom: #040803;
$custom-light: #484a48;
$custom-dark: #000000;

JSON

{
  "hex": "#040803",
  "rgb": {
    "r": 4,
    "g": 8,
    "b": 3
  },
  "hsl": {
    "h": 108,
    "s": 45.455,
    "l": 2.157
  },
  "oklch": {
    "l": 0.1255,
    "c": 0.01829,
    "h": 138
  },
  "luminance": 0.00206
}

Semantic roles & 50–950 ramp

primary

#040803

secondary

#3D2344

accent

#53D5BB

background

#F4F4F4

surface

#E6E7E6

border

#C2C3C2

text

#000100

muted

#777777

Preview Lab

Preview with #040803

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

Preview Lab → · Contrast checker → · Palette generator →