#143739#143739

#143739 is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.2% C 0.040 H 200.4°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#143739
RGB	rgb(20, 55, 57)
HSL	hsl(183, 48%, 15%)
HSV	hsv(183, 65%, 22%)
CMYK	cmyk(64.9%, 3.5%, 0%, 77.6%)
CIE-LAB	lab(20.74, -11.80, -5.07)
CIE-LCH	lch(20.74, 12.85, 203.24°)
OKLab	oklab(31.22% -0.0377 -0.014)
OKLCH	oklch(31.22% 0.04 200.4)
XYZ	xyz(2.3929, 3.1763, 4.3571)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143739 #391614

analogous

#143928 #143739 #142539

triadic

#143739 #391437 #373914

tetradic

#143739 #281439 #391614 #253914

square

#143739 #281439 #391614 #253914

split-complementary

#143739 #391425 #392814

monochromatic

#081617 #081617 #143739 #246366 #348E94

Accessibility & contrast

On white

12.84

#143739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#143739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143739

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143739	#FFFFFF	#000000	##FFFFFF
##143739	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333439

Deuteranopia (green-blind)

#2D3039

Tritanopia (blue-blind)

#003938

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #143739;
/* rgb */ color: rgb(20, 55, 57);
/* oklch */ color: oklch(31.2% 0.040 200.4);

Tailwind

colors: {
  custom: {
    50: '#566e6f',
    500: '#143739',
    950: '#000000',
  },
}

SCSS

$custom: #143739;
$custom-light: #566e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#143739",
  "rgb": {
    "r": 20,
    "g": 55,
    "b": 57
  },
  "hsl": {
    "h": 183.243,
    "s": 48.052,
    "l": 15.098
  },
  "oklch": {
    "l": 0.31222,
    "c": 0.0402,
    "h": 200.4
  },
  "luminance": 0.03177
}

Semantic roles & 50–950 ramp

primary

#143739

secondary

#713B38

accent

#5750D8

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #143739

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

Preview Lab → · Contrast checker → · Palette generator →