#143C56#143C56

#143C56 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.064 H 240.9°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#143C56
RGB	rgb(20, 60, 86)
HSL	hsl(204, 62%, 21%)
HSV	hsv(204, 77%, 34%)
CMYK	cmyk(76.7%, 30.2%, 0%, 66.3%)
CIE-LAB	lab(23.84, -4.08, -19.69)
CIE-LCH	lch(23.84, 20.10, 258.30°)
OKLab	oklab(34.14% -0.031 -0.0556)
OKLCH	oklch(34.14% 0.064 240.9)
XYZ	xyz(3.5834, 4.0519, 9.3955)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C56 #562E14

analogous

#14564F #143C56 #141B56

triadic

#143C56 #56143C #3C5614

tetradic

#143C56 #4F1456 #562E14 #1B5614

square

#143C56 #4F1456 #562E14 #1B5614

split-complementary

#143C56 #56141B #564F14

monochromatic

#061119 #081924 #143C56 #205F88 #2B81B9

Accessibility & contrast

On white

11.60

#143C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#143C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C56

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C56	#FFFFFF	#000000	##FFFFFF
##143C56	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C57

Deuteranopia (green-blind)

#273656

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143c56;
/* rgb */ color: rgb(20, 60, 86);
/* oklch */ color: oklch(34.1% 0.064 240.9);

Tailwind

colors: {
  custom: {
    50: '#5b7185',
    500: '#143c56',
    950: '#000000',
  },
}

SCSS

$custom: #143c56;
$custom-light: #5b7185;
$custom-dark: #000000;

JSON

{
  "hex": "#143c56",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 86
  },
  "hsl": {
    "h": 203.636,
    "s": 62.264,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34143,
    "c": 0.0636,
    "h": 240.9
  },
  "luminance": 0.04052
}

Semantic roles & 50–950 ramp

primary

#143C56

secondary

#8E5A38

accent

#8342E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #143C56

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

Preview Lab → · Contrast checker → · Palette generator →