#143F53#143F53

#143F53 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.058 H 232.1°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#143F53
RGB	rgb(20, 63, 83)
HSL	hsl(199, 61%, 20%)
HSV	hsv(199, 76%, 33%)
CMYK	cmyk(75.9%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(24.73, -7.22, -16.34)
CIE-LCH	lch(24.73, 17.86, 246.16°)
OKLab	oklab(34.8% -0.0356 -0.0459)
OKLCH	oklch(34.8% 0.058 232.1)
XYZ	xyz(3.6267, 4.3279, 8.8262)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F53 #532814

analogous

#145348 #143F53 #141F53

triadic

#143F53 #53143F #3F5314

tetradic

#143F53 #481453 #532814 #1F5314

square

#143F53 #481453 #532814 #1F5314

split-complementary

#143F53 #53141F #534814

monochromatic

#061319 #081A22 #143F53 #206484 #2C8AB6

Accessibility & contrast

On white

11.26

#143F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#143F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F53

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F53	#FFFFFF	#000000	##FFFFFF
##143F53	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2C3853

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #143f53;
/* rgb */ color: rgb(20, 63, 83);
/* oklch */ color: oklch(34.8% 0.058 232.1);

Tailwind

colors: {
  custom: {
    50: '#5b7483',
    500: '#143f53',
    950: '#000000',
  },
}

SCSS

$custom: #143f53;
$custom-light: #5b7483;
$custom-dark: #000000;

JSON

{
  "hex": "#143f53",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 199.048,
    "s": 61.165,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34796,
    "c": 0.05808,
    "h": 232.1
  },
  "luminance": 0.04328
}

Semantic roles & 50–950 ramp

primary

#143F53

secondary

#8B5238

accent

#7744E4

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #143F53

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

Preview Lab → · Contrast checker → · Palette generator →