#143D40#143D40

#143D40 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.045 H 201.9°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#143D40
RGB	rgb(20, 61, 64)
HSL	hsl(184, 52%, 16%)
HSV	hsv(184, 69%, 25%)
CMYK	cmyk(68.8%, 4.7%, 0%, 74.9%)
CIE-LAB	lab(23.19, -13.00, -6.10)
CIE-LCH	lch(23.19, 14.36, 205.14°)
OKLab	oklab(33.29% -0.042 -0.0169)
OKLCH	oklch(33.29% 0.045 201.9)
XYZ	xyz(2.8823, 3.8561, 5.4419)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D40 #401714

analogous

#14402D #143D40 #142740

triadic

#143D40 #40143D #3D4014

tetradic

#143D40 #2D1440 #401714 #274014

square

#143D40 #2D1440 #401714 #274014

split-complementary

#143D40 #401427 #402D14

monochromatic

#071617 #071617 #143D40 #23696F #31969D

Accessibility & contrast

On white

11.86

#143D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#143D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D40

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D40	#FFFFFF	#000000	##FFFFFF
##143D40	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A40

Deuteranopia (green-blind)

#313540

Tritanopia (blue-blind)

#003F3E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143d40;
/* rgb */ color: rgb(20, 61, 64);
/* oklch */ color: oklch(33.3% 0.045 201.9);

Tailwind

colors: {
  custom: {
    50: '#587274',
    500: '#143d40',
    950: '#000000',
  },
}

SCSS

$custom: #143d40;
$custom-light: #587274;
$custom-dark: #000000;

JSON

{
  "hex": "#143d40",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 184.091,
    "s": 52.381,
    "l": 16.471
  },
  "oklch": {
    "l": 0.33289,
    "c": 0.04526,
    "h": 201.9
  },
  "luminance": 0.03856
}

Semantic roles & 50–950 ramp

primary

#143D40

secondary

#783C38

accent

#564CDC

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #143D40

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

Preview Lab → · Contrast checker → · Palette generator →