#043839#043839

#043839 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.0% C 0.050 H 196.9°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#043839
RGB	rgb(4, 56, 57)
HSL	hsl(181, 87%, 12%)
HSV	hsv(181, 93%, 22%)
CMYK	cmyk(93%, 1.8%, 0%, 77.6%)
CIE-LAB	lab(20.63, -15.35, -5.27)
CIE-LCH	lch(20.63, 16.23, 198.96°)
OKLab	oklab(31% -0.0483 -0.0147)
OKLCH	oklch(31% 0.05 196.9)
XYZ	xyz(2.2024, 3.1493, 4.3619)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043839 #390504

analogous

#043920 #043839 #041E39

triadic

#043839 #390438 #383904

tetradic

#043839 #200439 #390504 #1E3904

square

#043839 #200439 #390504 #1E3904

split-complementary

#043839 #39041E #392004

monochromatic

#021C1D #021C1D #043839 #087072 #0CA8AB

Accessibility & contrast

On white

12.88

#043839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#043839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043839

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043839	#FFFFFF	#000000	##FFFFFF
##043839	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333539

Deuteranopia (green-blind)

#2C2F39

Tritanopia (blue-blind)

#003A38

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #043839;
/* rgb */ color: rgb(4, 56, 57);
/* oklch */ color: oklch(31.0% 0.050 196.9);

Tailwind

colors: {
  custom: {
    50: '#516f6f',
    500: '#043839',
    950: '#000000',
  },
}

SCSS

$custom: #043839;
$custom-light: #516f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#043839",
  "rgb": {
    "r": 4,
    "g": 56,
    "b": 57
  },
  "hsl": {
    "h": 181.132,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.31002,
    "c": 0.05048,
    "h": 196.9
  },
  "luminance": 0.0315
}

Semantic roles & 50–950 ramp

primary

#043839

secondary

#7B201E

accent

#2F2BFD

background

#F4F6F6

surface

#E7ECEC

border

#C3C7C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #043839

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

Preview Lab → · Contrast checker → · Palette generator →