#04151A#04151A

#04151A is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.3% C 0.026 H 218.5°. Best body text is #FFFFFF at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#04151A
RGB	rgb(4, 21, 26)
HSL	hsl(194, 73%, 6%)
HSV	hsv(194, 85%, 10%)
CMYK	cmyk(84.6%, 19.2%, 0%, 89.8%)
CIE-LAB	lab(5.75, -4.12, -5.38)
CIE-LCH	lch(5.75, 6.78, 232.57°)
OKLab	oklab(18.32% -0.0203 -0.0162)
OKLCH	oklch(18.32% 0.026 218.5)
XYZ	xyz(0.5046, 0.6367, 1.0734)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04151A #1A0904

analogous

#041A14 #04151A #040A1A

triadic

#04151A #1A0415 #151A04

tetradic

#04151A #14041A #1A0904 #0A1A04

square

#04151A #14041A #1A0904 #0A1A04

split-complementary

#04151A #1A040A #1A1404

monochromatic

#04151B #04151B #04151B #0C404F #146B84

Accessibility & contrast

On white

18.63

#04151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#04151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04151A

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04151A	#FFFFFF	#000000	##FFFFFF
##04151A	1.00	18.63	1.13	18.63
#FFFFFF	18.63	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12141A

Deuteranopia (green-blind)

#0E121A

Tritanopia (blue-blind)

#001717

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #04151a;
/* rgb */ color: rgb(4, 21, 26);
/* oklch */ color: oklch(18.3% 0.026 218.5);

Tailwind

colors: {
  custom: {
    50: '#485256',
    500: '#04151a',
    950: '#000000',
  },
}

SCSS

$custom: #04151a;
$custom-light: #485256;
$custom-dark: #000000;

JSON

{
  "hex": "#04151a",
  "rgb": {
    "r": 4,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 193.636,
    "s": 73.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.18317,
    "c": 0.026,
    "h": 218.5
  },
  "luminance": 0.00637
}

Semantic roles & 50–950 ramp

primary

#04151A

secondary

#5C2C1E

accent

#6238F0

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #04151A

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

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