#040512#040512

#040512 is a very dark, muted blue. Relative luminance 0.002; OKLCH L 12.3% C 0.031 H 275.9°. Best body text is #FFFFFF at 20.28:1 contrast (WCAG AA passes).

Color values

HEX	#040512
RGB	rgb(4, 5, 18)
HSL	hsl(236, 64%, 4%)
HSV	hsv(236, 78%, 7%)
CMYK	cmyk(77.8%, 72.2%, 0%, 92.9%)
CIE-LAB	lab(1.61, 1.82, -5.74)
CIE-LCH	lch(1.61, 6.02, 287.54°)
OKLab	oklab(12.31% 0.0032 -0.0313)
OKLCH	oklch(12.31% 0.031 275.9)
XYZ	xyz(0.2135, 0.1780, 0.5953)
Luminance	0.0018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040512 #121104

analogous

#040C12 #040512 #0A0412

triadic

#040512 #120405 #051204

tetradic

#040512 #12040C #121104 #04120A

square

#040512 #12040C #121104 #04120A

split-complementary

#040512 #120A04 #0C1204

monochromatic

#060719 #060719 #060719 #0F1344 #1A2176

Accessibility & contrast

On white

20.28

#040512 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040512 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040512

20.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040512	#FFFFFF	#000000	##FFFFFF
##040512	1.00	20.28	1.04	20.28
#FFFFFF	20.28	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020613

Deuteranopia (green-blind)

#010512

Tritanopia (blue-blind)

#01070A

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #040512;
/* rgb */ color: rgb(4, 5, 18);
/* oklch */ color: oklch(12.3% 0.031 275.9);

Tailwind

colors: {
  custom: {
    50: '#48494f',
    500: '#040512',
    950: '#000000',
  },
}

SCSS

$custom: #040512;
$custom-light: #48494f;
$custom-dark: #000000;

JSON

{
  "hex": "#040512",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 18
  },
  "hsl": {
    "h": 235.714,
    "s": 63.636,
    "l": 4.314
  },
  "oklch": {
    "l": 0.12306,
    "c": 0.03146,
    "h": 275.9
  },
  "luminance": 0.00178
}

Semantic roles & 50–950 ramp

primary

#040512

secondary

#524F20

accent

#DB41E7

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000002

muted

#777778

Preview Lab

Preview with #040512

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

Preview Lab → · Contrast checker → · Palette generator →