#043237#043237

#043237 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.1% C 0.047 H 206.1°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#043237
RGB	rgb(4, 50, 55)
HSL	hsl(186, 86%, 12%)
HSV	hsv(186, 93%, 22%)
CMYK	cmyk(92.7%, 9.1%, 0%, 78.4%)
CIE-LAB	lab(18.29, -12.57, -7.44)
CIE-LCH	lch(18.29, 14.61, 210.62°)
OKLab	oklab(29.07% -0.0423 -0.0207)
OKLCH	oklch(29.07% 0.047 206.1)
XYZ	xyz(1.8800, 2.5826, 4.0131)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043237 #370904

analogous

#043723 #043237 #041937

triadic

#043237 #370432 #323704

tetradic

#043237 #230437 #370904 #193704

square

#043237 #230437 #370904 #193704

split-complementary

#043237 #370419 #372304

monochromatic

#021A1D #021A1D #043237 #086670 #0C9AA9

Accessibility & contrast

On white

13.85

#043237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#043237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043237

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043237	#FFFFFF	#000000	##FFFFFF
##043237	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3037

Deuteranopia (green-blind)

#262A37

Tritanopia (blue-blind)

#003533

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #043237;
/* rgb */ color: rgb(4, 50, 55);
/* oklch */ color: oklch(29.1% 0.047 206.1);

Tailwind

colors: {
  custom: {
    50: '#4f6a6d',
    500: '#043237',
    950: '#000000',
  },
}

SCSS

$custom: #043237;
$custom-light: #4f6a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#043237",
  "rgb": {
    "r": 4,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 185.882,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29073,
    "c": 0.04711,
    "h": 206.1
  },
  "luminance": 0.02583
}

Semantic roles & 50–950 ramp

primary

#043237

secondary

#79271E

accent

#402BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #043237

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

Preview Lab → · Contrast checker → · Palette generator →