#04181A#04181A

#04181A is a very dark, muted teal. Relative luminance 0.008; OKLCH L 19.3% C 0.027 H 203.8°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#04181A
RGB	rgb(4, 24, 26)
HSL	hsl(185, 73%, 6%)
HSV	hsv(185, 85%, 10%)
CMYK	cmyk(84.6%, 7.7%, 0%, 89.8%)
CIE-LAB	lab(6.81, -6.27, -3.82)
CIE-LCH	lch(6.81, 7.35, 211.33°)
OKLab	oklab(19.32% -0.0247 -0.0109)
OKLCH	oklch(19.32% 0.027 203.8)
XYZ	xyz(0.5631, 0.7536, 1.0929)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04181A #1A0604

analogous

#041A11 #04181A #040D1A

triadic

#04181A #1A0418 #181A04

tetradic

#04181A #11041A #1A0604 #0D1A04

square

#04181A #11041A #1A0604 #0D1A04

split-complementary

#04181A #1A040D #1A1104

monochromatic

#04181B #04181B #04181B #0C494F #147A84

Accessibility & contrast

On white

18.25

#04181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#04181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04181A

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04181A	#FFFFFF	#000000	##FFFFFF
##04181A	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15171A

Deuteranopia (green-blind)

#12141A

Tritanopia (blue-blind)

#001919

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #04181a;
/* rgb */ color: rgb(4, 24, 26);
/* oklch */ color: oklch(19.3% 0.027 203.8);

Tailwind

colors: {
  custom: {
    50: '#485456',
    500: '#04181a',
    950: '#000000',
  },
}

SCSS

$custom: #04181a;
$custom-light: #485456;
$custom-dark: #000000;

JSON

{
  "hex": "#04181a",
  "rgb": {
    "r": 4,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 185.455,
    "s": 73.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.19317,
    "c": 0.02703,
    "h": 203.8
  },
  "luminance": 0.00754
}

Semantic roles & 50–950 ramp

primary

#04181A

secondary

#5C231E

accent

#4938F0

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #04181A

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

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