#043939#043939

#043939 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.3% C 0.051 H 194.9°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#043939
RGB	rgb(4, 57, 57)
HSL	hsl(180, 87%, 12%)
HSV	hsv(180, 93%, 22%)
CMYK	cmyk(93%, 0%, 0%, 77.6%)
CIE-LAB	lab(21.01, -15.92, -4.71)
CIE-LCH	lch(21.01, 16.60, 196.49°)
OKLab	oklab(31.31% -0.0495 -0.0131)
OKLCH	oklch(31.31% 0.051 194.9)
XYZ	xyz(2.2514, 3.2472, 4.3782)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043939 #390404

analogous

#04391F #043939 #041F39

triadic

#043939 #390439 #393904

tetradic

#043939 #1F0439 #390404 #1F3904

square

#043939 #1F0439 #390404 #1F3904

split-complementary

#043939 #39041F #391F04

monochromatic

#021D1D #021D1D #043939 #087272 #0CABAB

Accessibility & contrast

On white

12.73

#043939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#043939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043939

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043939	#FFFFFF	#000000	##FFFFFF
##043939	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343639

Deuteranopia (green-blind)

#2D3039

Tritanopia (blue-blind)

#003B39

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #043939;
/* rgb */ color: rgb(4, 57, 57);
/* oklch */ color: oklch(31.3% 0.051 194.9);

Tailwind

colors: {
  custom: {
    50: '#516f6f',
    500: '#043939',
    950: '#000000',
  },
}

SCSS

$custom: #043939;
$custom-light: #516f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#043939",
  "rgb": {
    "r": 4,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 180,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.31307,
    "c": 0.05118,
    "h": 194.9
  },
  "luminance": 0.03247
}

Semantic roles & 50–950 ramp

primary

#043939

secondary

#7B1E1E

accent

#2B2BFD

background

#F4F6F6

surface

#E7ECEC

border

#C3C7C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #043939

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

Preview Lab → · Contrast checker → · Palette generator →