#030400#030400

#030400 is a very dark, muted yellow-green. Relative luminance 0.001; OKLCH L 10.1% C 0.024 H 118.1°. Best body text is #FFFFFF at 20.56:1 contrast (WCAG AA passes).

Color values

HEX	#030400
RGB	rgb(3, 4, 0)
HSL	hsl(75, 100%, 1%)
HSV	hsv(75, 100%, 2%)
CMYK	cmyk(25%, 0%, 100%, 98.4%)
CIE-LAB	lab(0.96, -0.82, 1.42)
CIE-LCH	lch(0.96, 1.64, 119.87°)
OKLab	oklab(10.08% -0.0111 0.0207)
OKLCH	oklch(10.08% 0.024 118.1)
XYZ	xyz(0.0810, 0.1062, 0.0162)
Luminance	0.0011 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030400 #010004

analogous

#040300 #030400 #010400

triadic

#030400 #000304 #040003

tetradic

#030400 #000403 #010004 #040001

square

#030400 #000403 #010004 #040001

split-complementary

#030400 #000104 #030004

monochromatic

#171F00 #171F00 #171F00 #314100 #5F7E00

Accessibility & contrast

On white

20.56

#030400 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#030400 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030400

20.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030400	#FFFFFF	#000000	##FFFFFF
##030400	1.00	20.56	1.02	20.56
#FFFFFF	20.56	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050300

Deuteranopia (green-blind)

#050400

Tritanopia (blue-blind)

#030303

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #030400;
/* rgb */ color: rgb(3, 4, 0);
/* oklch */ color: oklch(10.1% 0.024 118.1);

Tailwind

colors: {
  custom: {
    50: '#484847',
    500: '#030400',
    950: '#000000',
  },
}

SCSS

$custom: #030400;
$custom-light: #484847;
$custom-dark: #000000;

JSON

{
  "hex": "#030400",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 0
  },
  "hsl": {
    "h": 75,
    "s": 100,
    "l": 0.784
  },
  "oklch": {
    "l": 0.1008,
    "c": 0.0235,
    "h": 118.1
  },
  "luminance": 0.00106
}

Semantic roles & 50–950 ramp

primary

#030400

secondary

#1F0E51

accent

#29FF5E

background

#F4F4F3

surface

#E6E6E5

border

#C2C2C1

text

#000000

muted

#777777

Preview Lab

Preview with #030400

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

Preview Lab → · Contrast checker → · Palette generator →