#04383A#04383A

#04383A is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.0% C 0.051 H 199.0°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#04383A
RGB	rgb(4, 56, 58)
HSL	hsl(182, 87%, 12%)
HSV	hsv(182, 93%, 23%)
CMYK	cmyk(93.1%, 3.4%, 0%, 77.3%)
CIE-LAB	lab(20.67, -14.98, -5.89)
CIE-LCH	lch(20.67, 16.10, 201.48°)
OKLab	oklab(31.05% -0.0478 -0.0164)
OKLCH	oklch(31.05% 0.051 199)
XYZ	xyz(2.2276, 3.1594, 4.4946)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04383A #3A0604

analogous

#043A21 #04383A #041D3A

triadic

#04383A #3A0438 #383A04

tetradic

#04383A #21043A #3A0604 #1D3A04

square

#04383A #21043A #3A0604 #1D3A04

split-complementary

#04383A #3A041D #3A2104

monochromatic

#021C1D #021C1D #04383A #086F73 #0CA7AD

Accessibility & contrast

On white

12.87

#04383A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#04383A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04383A

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04383A	#FFFFFF	#000000	##FFFFFF
##04383A	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33353A

Deuteranopia (green-blind)

#2C2F3A

Tritanopia (blue-blind)

#003A38

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #04383a;
/* rgb */ color: rgb(4, 56, 58);
/* oklch */ color: oklch(31.0% 0.051 199.0);

Tailwind

colors: {
  custom: {
    50: '#516f70',
    500: '#04383a',
    950: '#000000',
  },
}

SCSS

$custom: #04383a;
$custom-light: #516f70;
$custom-dark: #000000;

JSON

{
  "hex": "#04383a",
  "rgb": {
    "r": 4,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 182.222,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31046,
    "c": 0.0505,
    "h": 199
  },
  "luminance": 0.0316
}

Semantic roles & 50–950 ramp

primary

#04383A

secondary

#7C211E

accent

#322BFD

background

#F4F6F6

surface

#E7ECEC

border

#C3C7C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #04383A

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

Preview Lab → · Contrast checker → · Palette generator →