#143F39#143F39

#143F39 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.048 H 182.6°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#143F39
RGB	rgb(20, 63, 57)
HSL	hsl(172, 52%, 16%)
HSV	hsv(172, 68%, 25%)
CMYK	cmyk(68.3%, 0%, 9.5%, 75.3%)
CIE-LAB	lab(23.67, -16.48, -0.73)
CIE-LCH	lch(23.67, 16.50, 182.52°)
OKLab	oklab(33.59% -0.0483 -0.0022)
OKLCH	oklch(33.59% 0.048 182.6)
XYZ	xyz(2.8042, 3.9989, 4.4942)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F39 #3F141A

analogous

#143F24 #143F39 #14303F

triadic

#143F39 #39143F #3F3914

tetradic

#143F39 #24143F #3F141A #303F14

square

#143F39 #24143F #3F141A #303F14

split-complementary

#143F39 #3F1430 #3F2414

monochromatic

#071715 #071715 #143F39 #236D63 #319C8D

Accessibility & contrast

On white

11.67

#143F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#143F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F39

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F39	#FFFFFF	#000000	##FFFFFF
##143F39	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B39

Deuteranopia (green-blind)

#35363A

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143f39;
/* rgb */ color: rgb(20, 63, 57);
/* oklch */ color: oklch(33.6% 0.048 182.6);

Tailwind

colors: {
  custom: {
    50: '#57746f',
    500: '#143f39',
    950: '#000000',
  },
}

SCSS

$custom: #143f39;
$custom-light: #57746f;
$custom-dark: #000000;

JSON

{
  "hex": "#143f39",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 57
  },
  "hsl": {
    "h": 171.628,
    "s": 51.807,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33593,
    "c": 0.04835,
    "h": 182.6
  },
  "luminance": 0.03999
}

Semantic roles & 50–950 ramp

primary

#143F39

secondary

#773841

accent

#4D60DB

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #143F39

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

Preview Lab → · Contrast checker → · Palette generator →