#143E4A#143E4A

#143E4A is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.0% C 0.050 H 220.1°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#143E4A
RGB	rgb(20, 62, 74)
HSL	hsl(193, 57%, 18%)
HSV	hsv(193, 73%, 29%)
CMYK	cmyk(73%, 16.2%, 0%, 71%)
CIE-LAB	lab(23.96, -10.01, -11.58)
CIE-LCH	lch(23.96, 15.31, 229.17°)
OKLab	oklab(34.05% -0.0384 -0.0323)
OKLCH	oklch(34.05% 0.05 220.1)
XYZ	xyz(3.2466, 4.0880, 7.0952)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143E4A #4A2014

analogous

#144A3B #143E4A #14234A

triadic

#143E4A #4A143E #3E4A14

tetradic

#143E4A #3B144A #4A2014 #234A14

square

#143E4A #3B144A #4A2014 #234A14

split-complementary

#143E4A #4A1423 #4A3B14

monochromatic

#071418 #07161A #143E4A #21667A #2E8FAA

Accessibility & contrast

On white

11.55

#143E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143E4A

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143E4A	#FFFFFF	#000000	##FFFFFF
##143E4A	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C4B

Deuteranopia (green-blind)

#2F374A

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143e4a;
/* rgb */ color: rgb(20, 62, 74);
/* oklch */ color: oklch(34.0% 0.050 220.1);

Tailwind

colors: {
  custom: {
    50: '#59737c',
    500: '#143e4a',
    950: '#000000',
  },
}

SCSS

$custom: #143e4a;
$custom-light: #59737c;
$custom-dark: #000000;

JSON

{
  "hex": "#143e4a",
  "rgb": {
    "r": 20,
    "g": 62,
    "b": 74
  },
  "hsl": {
    "h": 193.333,
    "s": 57.447,
    "l": 18.431
  },
  "oklch": {
    "l": 0.34046,
    "c": 0.05015,
    "h": 220.1
  },
  "luminance": 0.04088
}

Semantic roles & 50–950 ramp

primary

#143E4A

secondary

#824838

accent

#6947E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #143E4A

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

Preview Lab → · Contrast checker → · Palette generator →