#143D4A#143D4A

#143D4A is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.050 H 222.3°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#143D4A
RGB	rgb(20, 61, 74)
HSL	hsl(194, 57%, 18%)
HSV	hsv(194, 73%, 29%)
CMYK	cmyk(73%, 17.6%, 0%, 71%)
CIE-LAB	lab(23.61, -9.39, -12.13)
CIE-LCH	lch(23.61, 15.34, 232.26°)
OKLab	oklab(33.76% -0.0371 -0.0338)
OKLCH	oklch(33.76% 0.05 222.3)
XYZ	xyz(3.1928, 3.9803, 7.0772)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143D4A #4A2114

analogous

#144A3C #143D4A #14224A

triadic

#143D4A #4A143D #3D4A14

tetradic

#143D4A #3C144A #4A2114 #224A14

square

#143D4A #3C144A #4A2114 #224A14

split-complementary

#143D4A #4A1422 #4A3C14

monochromatic

#071418 #07151A #143D4A #21657A #2E8CAA

Accessibility & contrast

On white

11.69

#143D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#143D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143D4A

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143D4A	#FFFFFF	#000000	##FFFFFF
##143D4A	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4B

Deuteranopia (green-blind)

#2E364A

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143d4a;
/* rgb */ color: rgb(20, 61, 74);
/* oklch */ color: oklch(33.8% 0.050 222.3);

Tailwind

colors: {
  custom: {
    50: '#59727c',
    500: '#143d4a',
    950: '#000000',
  },
}

SCSS

$custom: #143d4a;
$custom-light: #59727c;
$custom-dark: #000000;

JSON

{
  "hex": "#143d4a",
  "rgb": {
    "r": 20,
    "g": 61,
    "b": 74
  },
  "hsl": {
    "h": 194.444,
    "s": 57.447,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33762,
    "c": 0.05024,
    "h": 222.3
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#143D4A

secondary

#824A38

accent

#6C47E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #143D4A

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

Preview Lab → · Contrast checker → · Palette generator →