#143F43#143F43

#143F43 is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.0% C 0.047 H 203.8°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#143F43
RGB	rgb(20, 63, 67)
HSL	hsl(185, 54%, 17%)
HSV	hsv(185, 70%, 26%)
CMYK	cmyk(70.1%, 6%, 0%, 73.7%)
CIE-LAB	lab(24.03, -13.15, -6.84)
CIE-LCH	lch(24.03, 14.82, 207.48°)
OKLab	oklab(34% -0.043 -0.019)
OKLCH	oklch(34% 0.047 203.8)
XYZ	xyz(3.0787, 4.1087, 5.9399)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F43 #431814

analogous

#144330 #143F43 #142843

triadic

#143F43 #43143F #3F4314

tetradic

#143F43 #301443 #431814 #284314

square

#143F43 #301443 #431814 #284314

split-complementary

#143F43 #431428 #433014

monochromatic

#071618 #071618 #143F43 #226B72 #3098A1

Accessibility & contrast

On white

11.53

#143F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F43

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F43	#FFFFFF	#000000	##FFFFFF
##143F43	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C43

Deuteranopia (green-blind)

#333743

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143f43;
/* rgb */ color: rgb(20, 63, 67);
/* oklch */ color: oklch(34.0% 0.047 203.8);

Tailwind

colors: {
  custom: {
    50: '#587477',
    500: '#143f43',
    950: '#000000',
  },
}

SCSS

$custom: #143f43;
$custom-light: #587477;
$custom-dark: #000000;

JSON

{
  "hex": "#143f43",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 185.106,
    "s": 54.023,
    "l": 17.059
  },
  "oklch": {
    "l": 0.34004,
    "c": 0.04701,
    "h": 203.8
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#143F43

secondary

#7B3D38

accent

#574ADD

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #143F43

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

Preview Lab → · Contrast checker → · Palette generator →