#043737#043737

#043737 is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.6% C 0.050 H 194.9°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#043737
RGB	rgb(4, 55, 55)
HSL	hsl(180, 86%, 12%)
HSV	hsv(180, 93%, 22%)
CMYK	cmyk(92.7%, 0%, 0%, 78.4%)
CIE-LAB	lab(20.18, -15.52, -4.59)
CIE-LCH	lch(20.18, 16.18, 196.49°)
OKLab	oklab(30.61% -0.0482 -0.0128)
OKLCH	oklch(30.61% 0.05 194.9)
XYZ	xyz(2.1055, 3.0338, 4.0883)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043737 #370404

analogous

#04371E #043737 #041E37

triadic

#043737 #370437 #373704

tetradic

#043737 #1E0437 #370404 #1E3704

square

#043737 #1E0437 #370404 #1E3704

split-complementary

#043737 #37041E #371E04

monochromatic

#021D1D #021D1D #043737 #087070 #0CA9A9

Accessibility & contrast

On white

13.07

#043737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#043737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043737

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043737	#FFFFFF	#000000	##FFFFFF
##043737	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333437

Deuteranopia (green-blind)

#2B2E37

Tritanopia (blue-blind)

#003937

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #043737;
/* rgb */ color: rgb(4, 55, 55);
/* oklch */ color: oklch(30.6% 0.050 194.9);

Tailwind

colors: {
  custom: {
    50: '#506e6d',
    500: '#043737',
    950: '#000000',
  },
}

SCSS

$custom: #043737;
$custom-light: #506e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#043737",
  "rgb": {
    "r": 4,
    "g": 55,
    "b": 55
  },
  "hsl": {
    "h": 180,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.30608,
    "c": 0.04988,
    "h": 194.9
  },
  "luminance": 0.03034
}

Semantic roles & 50–950 ramp

primary

#043737

secondary

#791E1E

accent

#2B2BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020707

muted

#787A7A

Preview Lab

Preview with #043737

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

Preview Lab → · Contrast checker → · Palette generator →