#040E16#040E16

#040E16 is a very dark, muted cyan. Relative luminance 0.004; OKLCH L 15.8% C 0.024 H 240.7°. Best body text is #FFFFFF at 19.45:1 contrast (WCAG AA passes).

Color values

HEX	#040E16
RGB	rgb(4, 14, 22)
HSL	hsl(207, 69%, 5%)
HSV	hsv(207, 82%, 9%)
CMYK	cmyk(81.8%, 36.4%, 0%, 91.4%)
CIE-LAB	lab(3.59, -1.07, -5.49)
CIE-LCH	lch(3.59, 5.60, 258.94°)
OKLab	oklab(15.76% -0.0118 -0.0209)
OKLCH	oklch(15.76% 0.024 240.7)
XYZ	xyz(0.3519, 0.3978, 0.8171)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E16 #160C04

analogous

#041615 #040E16 #040516

triadic

#040E16 #16040E #0E1604

tetradic

#040E16 #150416 #160C04 #051604

square

#040E16 #150416 #160C04 #051604

split-complementary

#040E16 #160405 #161504

monochromatic

#05101A #05101A #05101A #0D2F4A #17507E

Accessibility & contrast

On white

19.45

#040E16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040E16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E16

19.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E16	#FFFFFF	#000000	##FFFFFF
##040E16	1.00	19.45	1.08	19.45
#FFFFFF	19.45	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0E16

Deuteranopia (green-blind)

#080C16

Tritanopia (blue-blind)

#001011

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #040e16;
/* rgb */ color: rgb(4, 14, 22);
/* oklch */ color: oklch(15.8% 0.024 240.7);

Tailwind

colors: {
  custom: {
    50: '#484d52',
    500: '#040e16',
    950: '#000000',
  },
}

SCSS

$custom: #040e16;
$custom-light: #484d52;
$custom-dark: #000000;

JSON

{
  "hex": "#040e16",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 22
  },
  "hsl": {
    "h": 206.667,
    "s": 69.231,
    "l": 5.098
  },
  "oklch": {
    "l": 0.15758,
    "c": 0.024,
    "h": 240.7
  },
  "luminance": 0.00398
}

Semantic roles & 50–950 ramp

primary

#040E16

secondary

#57381E

accent

#8A3CEC

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #040E16

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

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