#143F52#143F52

#143F52 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.057 H 230.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#143F52
RGB	rgb(20, 63, 82)
HSL	hsl(198, 61%, 20%)
HSV	hsv(198, 76%, 32%)
CMYK	cmyk(75.6%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(24.68, -7.60, -15.76)
CIE-LCH	lch(24.68, 17.50, 244.24°)
OKLab	oklab(34.74% -0.0361 -0.0442)
OKLCH	oklch(34.74% 0.057 230.8)
XYZ	xyz(3.5884, 4.3125, 8.6243)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F52 #522714

analogous

#145246 #143F52 #142052

triadic

#143F52 #52143F #3F5214

tetradic

#143F52 #461452 #522714 #205214

square

#143F52 #461452 #522714 #205214

split-complementary

#143F52 #521420 #524614

monochromatic

#061319 #081921 #143F52 #206583 #2C8BB4

Accessibility & contrast

On white

11.27

#143F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#143F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F52

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F52	#FFFFFF	#000000	##FFFFFF
##143F52	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E53

Deuteranopia (green-blind)

#2D3852

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143f52;
/* rgb */ color: rgb(20, 63, 82);
/* oklch */ color: oklch(34.7% 0.057 230.8);

Tailwind

colors: {
  custom: {
    50: '#5b7482',
    500: '#143f52',
    950: '#000000',
  },
}

SCSS

$custom: #143f52;
$custom-light: #5b7482;
$custom-dark: #000000;

JSON

{
  "hex": "#143f52",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 198.387,
    "s": 60.784,
    "l": 20
  },
  "oklch": {
    "l": 0.34742,
    "c": 0.05704,
    "h": 230.8
  },
  "luminance": 0.04313
}

Semantic roles & 50–950 ramp

primary

#143F52

secondary

#8A5138

accent

#7544E4

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143F52

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

Preview Lab → · Contrast checker → · Palette generator →