#143A40#143A40

#143A40 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.4% C 0.044 H 209.4°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#143A40
RGB	rgb(20, 58, 64)
HSL	hsl(188, 52%, 16%)
HSV	hsv(188, 69%, 25%)
CMYK	cmyk(68.8%, 9.4%, 0%, 74.9%)
CIE-LAB	lab(22.11, -11.19, -7.74)
CIE-LCH	lch(22.11, 13.60, 214.67°)
OKLab	oklab(32.42% -0.0381 -0.0214)
OKLCH	oklch(32.42% 0.044 209.4)
XYZ	xyz(2.7266, 3.5447, 5.3900)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143A40 #401A14

analogous

#144030 #143A40 #142440

triadic

#143A40 #40143A #3A4014

tetradic

#143A40 #301440 #401A14 #244014

square

#143A40 #301440 #401A14 #244014

split-complementary

#143A40 #401424 #403014

monochromatic

#071517 #071517 #143A40 #23646F #318F9D

Accessibility & contrast

On white

12.29

#143A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#143A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143A40

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143A40	#FFFFFF	#000000	##FFFFFF
##143A40	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353840

Deuteranopia (green-blind)

#2E3340

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #143a40;
/* rgb */ color: rgb(20, 58, 64);
/* oklch */ color: oklch(32.4% 0.044 209.4);

Tailwind

colors: {
  custom: {
    50: '#577074',
    500: '#143a40',
    950: '#000000',
  },
}

SCSS

$custom: #143a40;
$custom-light: #577074;
$custom-dark: #000000;

JSON

{
  "hex": "#143a40",
  "rgb": {
    "r": 20,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 188.182,
    "s": 52.381,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32416,
    "c": 0.04372,
    "h": 209.4
  },
  "luminance": 0.03545
}

Semantic roles & 50–950 ramp

primary

#143A40

secondary

#784038

accent

#604CDC

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #143A40

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

Preview Lab → · Contrast checker → · Palette generator →