#040C07#040C07

#040C07 is a very dark, near-neutral green. Relative luminance 0.003; OKLCH L 14.3% C 0.019 H 158.7°. Best body text is #FFFFFF at 19.80:1 contrast (WCAG AA passes).

Color values

HEX	#040C07
RGB	rgb(4, 12, 7)
HSL	hsl(143, 50%, 3%)
HSV	hsv(143, 67%, 5%)
CMYK	cmyk(66.7%, 0%, 41.7%, 95.3%)
CIE-LAB	lab(2.75, -2.83, 1.19)
CIE-LCH	lch(2.75, 3.07, 157.25°)
OKLab	oklab(14.26% -0.0174 0.0068)
OKLCH	oklch(14.26% 0.019 158.7)
XYZ	xyz(0.2199, 0.3041, 0.2481)
Luminance	0.0030 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040C07 #0C0409

analogous

#050C04 #040C07 #040C0B

triadic

#040C07 #07040C #0C0704

tetradic

#040C07 #04050C #0C0409 #0C0B04

square

#040C07 #04050C #0C0409 #0C0B04

split-complementary

#040C07 #0B040C #0C0405

monochromatic

#08170D #08170D #08170D #133A22 #23683D

Accessibility & contrast

On white

19.80

#040C07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040C07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040C07

19.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040C07	#FFFFFF	#000000	##FFFFFF
##040C07	1.00	19.80	1.06	19.80
#FFFFFF	19.80	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0B07

Deuteranopia (green-blind)

#0A0A07

Tritanopia (blue-blind)

#030C0B

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #040c07;
/* rgb */ color: rgb(4, 12, 7);
/* oklch */ color: oklch(14.3% 0.019 158.7);

Tailwind

colors: {
  custom: {
    50: '#484c4a',
    500: '#040c07',
    950: '#000000',
  },
}

SCSS

$custom: #040c07;
$custom-light: #484c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#040c07",
  "rgb": {
    "r": 4,
    "g": 12,
    "b": 7
  },
  "hsl": {
    "h": 142.5,
    "s": 50,
    "l": 3.137
  },
  "oklch": {
    "l": 0.14263,
    "c": 0.01874,
    "h": 158.7
  },
  "luminance": 0.00304
}

Semantic roles & 50–950 ramp

primary

#040C07

secondary

#49233B

accent

#4EA5DA

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040C07

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

Preview Lab → · Contrast checker → · Palette generator →