#040E15#040E15

#040E15 is a very dark, muted cyan. Relative luminance 0.004; OKLCH L 15.7% C 0.023 H 237.0°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#040E15
RGB	rgb(4, 14, 21)
HSL	hsl(205, 68%, 5%)
HSV	hsv(205, 81%, 8%)
CMYK	cmyk(81%, 33.3%, 0%, 91.8%)
CIE-LAB	lab(3.56, -1.31, -4.84)
CIE-LCH	lch(3.56, 5.01, 254.80°)
OKLab	oklab(15.69% -0.0122 -0.0189)
OKLCH	oklch(15.69% 0.023 237)
XYZ	xyz(0.3424, 0.3940, 0.7673)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040E15 #150B04

analogous

#041514 #040E15 #040615

triadic

#040E15 #15040E #0E1504

tetradic

#040E15 #140415 #150B04 #061504

square

#040E15 #140415 #150B04 #061504

split-complementary

#040E15 #150406 #151404

monochromatic

#05111A #05111A #05111A #0E3048 #18537C

Accessibility & contrast

On white

19.47

#040E15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040E15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040E15

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040E15	#FFFFFF	#000000	##FFFFFF
##040E15	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0E15

Deuteranopia (green-blind)

#080C15

Tritanopia (blue-blind)

#001010

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #040e15;
/* rgb */ color: rgb(4, 14, 21);
/* oklch */ color: oklch(15.7% 0.023 237.0);

Tailwind

colors: {
  custom: {
    50: '#484d52',
    500: '#040e15',
    950: '#000000',
  },
}

SCSS

$custom: #040e15;
$custom-light: #484d52;
$custom-dark: #000000;

JSON

{
  "hex": "#040e15",
  "rgb": {
    "r": 4,
    "g": 14,
    "b": 21
  },
  "hsl": {
    "h": 204.706,
    "s": 68,
    "l": 4.902
  },
  "oklch": {
    "l": 0.15693,
    "c": 0.02251,
    "h": 237
  },
  "luminance": 0.00394
}

Semantic roles & 50–950 ramp

primary

#040E15

secondary

#56351F

accent

#853DEB

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #040E15

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

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