#143D3D#143D3D

#143D3D is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.2% C 0.045 H 195.2°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#143D3D
RGB	rgb(20, 61, 61)
HSL	hsl(180, 51%, 16%)
HSV	hsv(180, 67%, 24%)
CMYK	cmyk(67.2%, 0%, 0%, 76.1%)
CIE-LAB	lab(23.08, -14.03, -4.27)
CIE-LCH	lch(23.08, 14.66, 196.92°)
OKLab	oklab(33.16% -0.0435 -0.0118)
OKLCH	oklch(33.16% 0.045 195.2)
XYZ	xyz(2.7992, 3.8228, 5.0043)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D3D #3D1414

analogous

#143D28 #143D3D #14283D

triadic

#143D3D #3D143D #3D3D14

tetradic

#143D3D #28143D #3D1414 #283D14

square

#143D3D #28143D #3D1414 #283D14

split-complementary

#143D3D #3D1428 #3D2814

monochromatic

#081717 #081717 #143D3D #236B6B #329999

Accessibility & contrast

On white

11.90

#143D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#143D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D3D

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D3D	#FFFFFF	#000000	##FFFFFF
##143D3D	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393A3D

Deuteranopia (green-blind)

#32353D

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143d3d;
/* rgb */ color: rgb(20, 61, 61);
/* oklch */ color: oklch(33.2% 0.045 195.2);

Tailwind

colors: {
  custom: {
    50: '#577272',
    500: '#143d3d',
    950: '#000000',
  },
}

SCSS

$custom: #143d3d;
$custom-light: #577272;
$custom-dark: #000000;

JSON

{
  "hex": "#143d3d",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 180,
    "s": 50.617,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33161,
    "c": 0.04512,
    "h": 195.2
  },
  "luminance": 0.03823
}

Semantic roles & 50–950 ramp

primary

#143D3D

secondary

#753838

accent

#4E4EDA

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #143D3D

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

Preview Lab → · Contrast checker → · Palette generator →