#040603#040603

#040603 is a very dark, near-neutral green. Relative luminance 0.002; OKLCH L 11.7% C 0.012 H 133.9°. Best body text is #FFFFFF at 20.34:1 contrast (WCAG AA passes).

Color values

HEX	#040603
RGB	rgb(4, 6, 3)
HSL	hsl(100, 33%, 2%)
HSV	hsv(100, 50%, 2%)
CMYK	cmyk(33.3%, 0%, 50%, 97.6%)
CIE-LAB	lab(1.47, -0.94, 0.95)
CIE-LCH	lch(1.47, 1.34, 134.68°)
OKLab	oklab(11.65% -0.0083 0.0086)
OKLCH	oklch(11.65% 0.012 133.9)
XYZ	xyz(0.1316, 0.1626, 0.1106)
Luminance	0.0016 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040603 #050306

analogous

#060603 #040603 #030604

triadic

#040603 #030406 #060304

tetradic

#040603 #030606 #050306 #060403

square

#040603 #030606 #050306 #060403

split-complementary

#040603 #040306 #060306

monochromatic

#0E140A #0E140A #0E140A #1F2F17 #3A582C

Accessibility & contrast

On white

20.34

#040603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040603

20.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040603	#FFFFFF	#000000	##FFFFFF
##040603	1.00	20.34	1.03	20.34
#FFFFFF	20.34	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060503

Deuteranopia (green-blind)

#060503

Tritanopia (blue-blind)

#040605

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #040603;
/* rgb */ color: rgb(4, 6, 3);
/* oklch */ color: oklch(11.7% 0.012 133.9);

Tailwind

colors: {
  custom: {
    50: '#484948',
    500: '#040603',
    950: '#000000',
  },
}

SCSS

$custom: #040603;
$custom-light: #484948;
$custom-dark: #000000;

JSON

{
  "hex": "#040603",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 3
  },
  "hsl": {
    "h": 100,
    "s": 33.333,
    "l": 1.765
  },
  "oklch": {
    "l": 0.11651,
    "c": 0.01199,
    "h": 133.9
  },
  "luminance": 0.00163
}

Semantic roles & 50–950 ramp

primary

#040603

secondary

#36273E

accent

#5EC9A6

background

#F4F4F4

surface

#E6E6E6

border

#C2C2C2

text

#000000

muted

#777777

Preview Lab

Preview with #040603

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

Preview Lab → · Contrast checker → · Palette generator →