#043437#043437

#043437 is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.7% C 0.048 H 201.4°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#043437
RGB	rgb(4, 52, 55)
HSL	hsl(184, 86%, 12%)
HSV	hsv(184, 93%, 22%)
CMYK	cmyk(92.7%, 5.5%, 0%, 78.4%)
CIE-LAB	lab(19.04, -13.77, -6.30)
CIE-LCH	lch(19.04, 15.14, 204.57°)
OKLab	oklab(29.69% -0.0447 -0.0175)
OKLCH	oklch(29.69% 0.048 201.4)
XYZ	xyz(1.9673, 2.7574, 4.0422)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043437 #370704

analogous

#043721 #043437 #041B37

triadic

#043437 #370434 #343704

tetradic

#043437 #210437 #370704 #1B3704

square

#043437 #210437 #370704 #1B3704

split-complementary

#043437 #37041B #372104

monochromatic

#021B1D #021B1D #043437 #086A70 #0CA0A9

Accessibility & contrast

On white

13.53

#043437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#043437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043437

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043437	#FFFFFF	#000000	##FFFFFF
##043437	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3137

Deuteranopia (green-blind)

#282C37

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #043437;
/* rgb */ color: rgb(4, 52, 55);
/* oklch */ color: oklch(29.7% 0.048 201.4);

Tailwind

colors: {
  custom: {
    50: '#4f6b6d',
    500: '#043437',
    950: '#000000',
  },
}

SCSS

$custom: #043437;
$custom-light: #4f6b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#043437",
  "rgb": {
    "r": 4,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 183.529,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29687,
    "c": 0.04798,
    "h": 201.4
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#043437

secondary

#79231E

accent

#372BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #043437

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

Preview Lab → · Contrast checker → · Palette generator →