#143F73#143F73

#143F73 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.8% C 0.101 H 255.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#143F73
RGB	rgb(20, 63, 115)
HSL	hsl(213, 70%, 26%)
HSV	hsv(213, 83%, 45%)
CMYK	cmyk(82.6%, 45.2%, 0%, 54.9%)
CIE-LAB	lab(26.57, 5.84, -34.09)
CIE-LCH	lch(26.57, 34.59, 279.73°)
OKLab	oklab(36.84% -0.0254 -0.0976)
OKLCH	oklch(36.84% 0.101 255.4)
XYZ	xyz(5.1594, 4.9409, 16.8981)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143F73 #734814

analogous

#146F73 #143F73 #191473

triadic

#143F73 #73143F #3F7314

tetradic

#143F73 #73146F #734814 #147319

square

#143F73 #73146F #734814 #147319

split-complementary

#143F73 #731914 #6F7314

monochromatic

#050E1A #0B223F #143F73 #1D5CA7 #2878DA

Accessibility & contrast

On white

10.56

#143F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#143F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143F73

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143F73	#FFFFFF	#000000	##FFFFFF
##143F73	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254375

Deuteranopia (green-blind)

#123B72

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #143f73;
/* rgb */ color: rgb(20, 63, 115);
/* oklch */ color: oklch(36.8% 0.101 255.4);

Tailwind

colors: {
  custom: {
    50: '#62739c',
    500: '#143f73',
    950: '#000000',
  },
}

SCSS

$custom: #143f73;
$custom-light: #62739c;
$custom-dark: #000000;

JSON

{
  "hex": "#143f73",
  "rgb": {
    "r": 20,
    "g": 63,
    "b": 115
  },
  "hsl": {
    "h": 212.842,
    "s": 70.37,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36842,
    "c": 0.10091,
    "h": 255.4
  },
  "luminance": 0.04942
}

Semantic roles & 50–950 ramp

primary

#143F73

secondary

#A9773A

accent

#9C3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #143F73

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

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