#043137#043137

#043137 is a dark, muted teal. Relative luminance 0.025; OKLCH L 28.8% C 0.047 H 208.5°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#043137
RGB	rgb(4, 49, 55)
HSL	hsl(187, 86%, 12%)
HSV	hsv(187, 93%, 22%)
CMYK	cmyk(92.7%, 10.9%, 0%, 78.4%)
CIE-LAB	lab(17.91, -11.96, -8.02)
CIE-LCH	lch(17.91, 14.40, 213.82°)
OKLab	oklab(28.77% -0.0411 -0.0223)
OKLCH	oklch(28.77% 0.047 208.5)
XYZ	xyz(1.8377, 2.4980, 3.9990)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043137 #370A04

analogous

#043724 #043137 #041837

triadic

#043137 #370431 #313704

tetradic

#043137 #240437 #370A04 #183704

square

#043137 #240437 #370A04 #183704

split-complementary

#043137 #370418 #372404

monochromatic

#02191D #02191D #043137 #086470 #0C97A9

Accessibility & contrast

On white

14.00

#043137 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#043137 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043137

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043137	#FFFFFF	#000000	##FFFFFF
##043137	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2F37

Deuteranopia (green-blind)

#252A37

Tritanopia (blue-blind)

#003433

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #043137;
/* rgb */ color: rgb(4, 49, 55);
/* oklch */ color: oklch(28.8% 0.047 208.5);

Tailwind

colors: {
  custom: {
    50: '#4f696d',
    500: '#043137',
    950: '#000000',
  },
}

SCSS

$custom: #043137;
$custom-light: #4f696d;
$custom-dark: #000000;

JSON

{
  "hex": "#043137",
  "rgb": {
    "r": 4,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 187.059,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.28767,
    "c": 0.0468,
    "h": 208.5
  },
  "luminance": 0.02498
}

Semantic roles & 50–950 ramp

primary

#043137

secondary

#79291E

accent

#442BFD

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #043137

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

Preview Lab → · Contrast checker → · Palette generator →