#143E40#143E40

#143E40 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.046 H 199.6°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#143E40
RGB	rgb(20, 62, 64)
HSL	hsl(183, 52%, 16%)
HSV	hsv(183, 69%, 25%)
CMYK	cmyk(68.8%, 3.1%, 0%, 74.9%)
CIE-LAB	lab(23.55, -13.60, -5.56)
CIE-LCH	lch(23.55, 14.69, 202.24°)
OKLab	oklab(33.58% -0.0433 -0.0154)
OKLCH	oklch(33.58% 0.046 199.6)
XYZ	xyz(2.9361, 3.9638, 5.4599)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E40 #401614

analogous

#14402C #143E40 #142840

triadic

#143E40 #40143E #3E4014

tetradic

#143E40 #2C1440 #401614 #284014

square

#143E40 #2C1440 #401614 #284014

split-complementary

#143E40 #401428 #402C14

monochromatic

#071717 #071717 #143E40 #236B6F #31989D

Accessibility & contrast

On white

11.71

#143E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#143E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E40

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E40	#FFFFFF	#000000	##FFFFFF
##143E40	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B40

Deuteranopia (green-blind)

#323640

Tritanopia (blue-blind)

#00403E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143e40;
/* rgb */ color: rgb(20, 62, 64);
/* oklch */ color: oklch(33.6% 0.046 199.6);

Tailwind

colors: {
  custom: {
    50: '#587374',
    500: '#143e40',
    950: '#000000',
  },
}

SCSS

$custom: #143e40;
$custom-light: #587374;
$custom-dark: #000000;

JSON

{
  "hex": "#143e40",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 182.727,
    "s": 52.381,
    "l": 16.471
  },
  "oklch": {
    "l": 0.33581,
    "c": 0.04593,
    "h": 199.6
  },
  "luminance": 0.03964
}

Semantic roles & 50–950 ramp

primary

#143E40

secondary

#783B38

accent

#534CDC

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #143E40

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

Preview Lab → · Contrast checker → · Palette generator →