#143C73#143C73

#143C73 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.1% C 0.105 H 257.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#143C73
RGB	rgb(20, 60, 115)
HSL	hsl(215, 70%, 26%)
HSV	hsv(215, 83%, 45%)
CMYK	cmyk(82.6%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(25.62, 7.94, -35.61)
CIE-LCH	lch(25.62, 36.49, 282.56°)
OKLab	oklab(36.11% -0.0227 -0.1022)
OKLCH	oklch(36.11% 0.105 257.4)
XYZ	xyz(4.9977, 4.6177, 16.8442)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143C73 #734B14

analogous

#146C73 #143C73 #1C1473

triadic

#143C73 #73143C #3C7314

tetradic

#143C73 #73146C #734B14 #14731C

square

#143C73 #73146C #734B14 #14731C

split-complementary

#143C73 #731C14 #6C7314

monochromatic

#050E1A #0B213F #143C73 #1D57A7 #2873DA

Accessibility & contrast

On white

10.92

#143C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#143C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143C73

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143C73	#FFFFFF	#000000	##FFFFFF
##143C73	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4175

Deuteranopia (green-blind)

#083972

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #143c73;
/* rgb */ color: rgb(20, 60, 115);
/* oklch */ color: oklch(36.1% 0.105 257.4);

Tailwind

colors: {
  custom: {
    50: '#62719c',
    500: '#143c73',
    950: '#000000',
  },
}

SCSS

$custom: #143c73;
$custom-light: #62719c;
$custom-dark: #000000;

JSON

{
  "hex": "#143c73",
  "rgb": {
    "r": 20,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 214.737,
    "s": 70.37,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36107,
    "c": 0.10469,
    "h": 257.4
  },
  "luminance": 0.04618
}

Semantic roles & 50–950 ramp

primary

#143C73

secondary

#A97A3A

accent

#A23BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #143C73

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

Preview Lab → · Contrast checker → · Palette generator →