#040C16#040C16

#040C16 is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 15.1% C 0.026 H 250.8°. Best body text is #FFFFFF at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#040C16
RGB	rgb(4, 12, 22)
HSL	hsl(213, 69%, 5%)
HSV	hsv(213, 82%, 9%)
CMYK	cmyk(81.8%, 45.5%, 0%, 91.4%)
CIE-LAB	lab(3.13, -0.13, -6.17)
CIE-LCH	lch(3.13, 6.17, 268.77°)
OKLab	oklab(15.11% -0.0086 -0.0246)
OKLCH	oklch(15.11% 0.026 250.8)
XYZ	xyz(0.3263, 0.3467, 0.8086)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040C16 #160E04

analogous

#041516 #040C16 #050416

triadic

#040C16 #16040C #0C1604

tetradic

#040C16 #160415 #160E04 #041605

square

#040C16 #160415 #160E04 #041605

split-complementary

#040C16 #160504 #151604

monochromatic

#050E1A #050E1A #050E1A #0D284A #17447E

Accessibility & contrast

On white

19.64

#040C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040C16

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040C16	#FFFFFF	#000000	##FFFFFF
##040C16	1.00	19.64	1.07	19.64
#FFFFFF	19.64	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080C16

Deuteranopia (green-blind)

#060B16

Tritanopia (blue-blind)

#000E10

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #040c16;
/* rgb */ color: rgb(4, 12, 22);
/* oklch */ color: oklch(15.1% 0.026 250.8);

Tailwind

colors: {
  custom: {
    50: '#484c52',
    500: '#040c16',
    950: '#000000',
  },
}

SCSS

$custom: #040c16;
$custom-light: #484c52;
$custom-dark: #000000;

JSON

{
  "hex": "#040c16",
  "rgb": {
    "r": 4,
    "g": 12,
    "b": 22
  },
  "hsl": {
    "h": 213.333,
    "s": 69.231,
    "l": 5.098
  },
  "oklch": {
    "l": 0.15109,
    "c": 0.0261,
    "h": 250.8
  },
  "luminance": 0.00347
}

Semantic roles & 50–950 ramp

primary

#040C16

secondary

#573E1E

accent

#9E3CEC

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #040C16

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

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