#143D43#143D43

#143D43 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.046 H 208.5°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#143D43
RGB	rgb(20, 61, 67)
HSL	hsl(188, 54%, 17%)
HSV	hsv(188, 70%, 26%)
CMYK	cmyk(70.1%, 9%, 0%, 73.7%)
CIE-LAB	lab(23.31, -11.95, -7.92)
CIE-LCH	lch(23.31, 14.34, 213.56°)
OKLab	oklab(33.42% -0.0405 -0.022)
OKLCH	oklch(33.42% 0.046 208.5)
XYZ	xyz(2.9699, 3.8911, 5.9036)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D43 #431A14

analogous

#144332 #143D43 #142643

triadic

#143D43 #43143D #3D4314

tetradic

#143D43 #321443 #431A14 #264314

square

#143D43 #321443 #431A14 #264314

split-complementary

#143D43 #431426 #433214

monochromatic

#071518 #071518 #143D43 #226872 #3093A1

Accessibility & contrast

On white

11.81

#143D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D43

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D43	#FFFFFF	#000000	##FFFFFF
##143D43	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373B43

Deuteranopia (green-blind)

#303543

Tritanopia (blue-blind)

#00403F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143d43;
/* rgb */ color: rgb(20, 61, 67);
/* oklch */ color: oklch(33.4% 0.046 208.5);

Tailwind

colors: {
  custom: {
    50: '#587277',
    500: '#143d43',
    950: '#000000',
  },
}

SCSS

$custom: #143d43;
$custom-light: #587277;
$custom-dark: #000000;

JSON

{
  "hex": "#143d43",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 187.66,
    "s": 54.023,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33424,
    "c": 0.04605,
    "h": 208.5
  },
  "luminance": 0.03891
}

Semantic roles & 50–950 ramp

primary

#143D43

secondary

#7B4038

accent

#5D4ADD

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #143D43

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

Preview Lab → · Contrast checker → · Palette generator →