#143C41#143C41

#143C41 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.0% C 0.045 H 206.6°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#143C41
RGB	rgb(20, 60, 65)
HSL	hsl(187, 53%, 17%)
HSV	hsv(187, 69%, 25%)
CMYK	cmyk(69.2%, 7.7%, 0%, 74.5%)
CIE-LAB	lab(22.87, -12.05, -7.25)
CIE-LCH	lch(22.87, 14.07, 211.05°)
OKLab	oklab(33.04% -0.0402 -0.0201)
OKLCH	oklch(33.04% 0.045 206.6)
XYZ	xyz(2.8581, 3.7618, 5.5755)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C41 #411914

analogous

#144130 #143C41 #142641

triadic

#143C41 #41143C #3C4114

tetradic

#143C41 #301441 #411914 #264114

square

#143C41 #301441 #411914 #264114

split-complementary

#143C41 #411426 #413014

monochromatic

#071617 #071617 #143C41 #226770 #31929F

Accessibility & contrast

On white

11.98

#143C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#143C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C41

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C41	#FFFFFF	#000000	##FFFFFF
##143C41	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373941

Deuteranopia (green-blind)

#303441

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143c41;
/* rgb */ color: rgb(20, 60, 65);
/* oklch */ color: oklch(33.0% 0.045 206.6);

Tailwind

colors: {
  custom: {
    50: '#587175',
    500: '#143c41',
    950: '#000000',
  },
}

SCSS

$custom: #143c41;
$custom-light: #587175;
$custom-dark: #000000;

JSON

{
  "hex": "#143c41",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 65
  },
  "hsl": {
    "h": 186.667,
    "s": 52.941,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33043,
    "c": 0.04494,
    "h": 206.6
  },
  "luminance": 0.03762
}

Semantic roles & 50–950 ramp

primary

#143C41

secondary

#793F38

accent

#5C4BDC

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #143C41

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

Preview Lab → · Contrast checker → · Palette generator →