#040401#040401

#040401 is a very dark, near-neutral yellow. Relative luminance 0.001; OKLCH L 10.4% C 0.015 H 108.8°. Best body text is #FFFFFF at 20.53:1 contrast (WCAG AA passes).

Color values

HEX	#040401
RGB	rgb(4, 4, 1)
HSL	hsl(60, 60%, 1%)
HSV	hsv(60, 75%, 2%)
CMYK	cmyk(0%, 0%, 75%, 98.4%)
CIE-LAB	lab(1.04, -0.41, 1.13)
CIE-LCH	lch(1.04, 1.21, 110.07°)
OKLab	oklab(10.41% -0.0048 0.0142)
OKLCH	oklch(10.41% 0.015 108.8)
XYZ	xyz(0.0990, 0.1148, 0.0457)
Luminance	0.0011 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040401 #010104

analogous

#040201 #040401 #020401

triadic

#040401 #010404 #040104

tetradic

#040401 #010402 #010104 #040102

square

#040401 #010402 #010104 #040102

split-complementary

#040401 #010204 #020104

monochromatic

#181806 #181806 #181806 #35350D #666619

Accessibility & contrast

On white

20.53

#040401 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#040401 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040401

20.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040401	#FFFFFF	#000000	##FFFFFF
##040401	1.00	20.53	1.02	20.53
#FFFFFF	20.53	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050401

Deuteranopia (green-blind)

#050401

Tritanopia (blue-blind)

#050403

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040401;
/* rgb */ color: rgb(4, 4, 1);
/* oklch */ color: oklch(10.4% 0.015 108.8);

Tailwind

colors: {
  custom: {
    50: '#484847',
    500: '#040401',
    950: '#000000',
  },
}

SCSS

$custom: #040401;
$custom-light: #484847;
$custom-dark: #000000;

JSON

{
  "hex": "#040401",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 1
  },
  "hsl": {
    "h": 60,
    "s": 60,
    "l": 0.98
  },
  "oklch": {
    "l": 0.10413,
    "c": 0.01502,
    "h": 108.8
  },
  "luminance": 0.00115
}

Semantic roles & 50–950 ramp

primary

#040401

secondary

#1C1C45

accent

#45E345

background

#F4F4F3

surface

#E6E6E5

border

#C2C2C1

text

#000000

muted

#777777

Preview Lab

Preview with #040401

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

Preview Lab → · Contrast checker → · Palette generator →