#143B40#143B40

#143B40 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.7% C 0.044 H 206.8°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#143B40
RGB	rgb(20, 59, 64)
HSL	hsl(187, 52%, 16%)
HSV	hsv(187, 69%, 25%)
CMYK	cmyk(68.8%, 7.8%, 0%, 74.9%)
CIE-LAB	lab(22.47, -11.80, -7.19)
CIE-LCH	lch(22.47, 13.82, 211.37°)
OKLab	oklab(32.71% -0.0394 -0.0199)
OKLCH	oklch(32.71% 0.044 206.8)
XYZ	xyz(2.7775, 3.6465, 5.4070)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143B40 #401914

analogous

#14402F #143B40 #142540

triadic

#143B40 #40143B #3B4014

tetradic

#143B40 #2F1440 #401914 #254014

square

#143B40 #2F1440 #401914 #254014

split-complementary

#143B40 #401425 #402F14

monochromatic

#071517 #071517 #143B40 #23666F #31919D

Accessibility & contrast

On white

12.14

#143B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#143B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143B40

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143B40	#FFFFFF	#000000	##FFFFFF
##143B40	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363940

Deuteranopia (green-blind)

#2F3440

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #143b40;
/* rgb */ color: rgb(20, 59, 64);
/* oklch */ color: oklch(32.7% 0.044 206.8);

Tailwind

colors: {
  custom: {
    50: '#587174',
    500: '#143b40',
    950: '#000000',
  },
}

SCSS

$custom: #143b40;
$custom-light: #587174;
$custom-dark: #000000;

JSON

{
  "hex": "#143b40",
  "rgb": {
    "r": 20,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 186.818,
    "s": 52.381,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32707,
    "c": 0.04415,
    "h": 206.8
  },
  "luminance": 0.03647
}

Semantic roles & 50–950 ramp

primary

#143B40

secondary

#783F38

accent

#5C4CDC

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #143B40

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

Preview Lab → · Contrast checker → · Palette generator →