#143173#143173

#143173 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.5% C 0.119 H 263.4°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#143173
RGB	rgb(20, 49, 115)
HSL	hsl(222, 70%, 26%)
HSV	hsv(222, 83%, 45%)
CMYK	cmyk(82.6%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(22.24, 15.79, -41.06)
CIE-LCH	lch(22.24, 43.99, 291.03°)
OKLab	oklab(33.53% -0.0136 -0.1185)
OKLCH	oklch(33.53% 0.119 263.4)
XYZ	xyz(4.4802, 3.5826, 16.6717)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143173 #735614

analogous

#146173 #143173 #271473

triadic

#143173 #731431 #317314

tetradic

#143173 #731461 #735614 #147327

square

#143173 #731461 #735614 #147327

split-complementary

#143173 #732714 #617314

monochromatic

#050B1A #0B1B3F #143173 #1D47A7 #285EDA

Accessibility & contrast

On white

12.23

#143173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#143173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143173

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143173	#FFFFFF	#000000	##FFFFFF
##143173	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #143173;
/* rgb */ color: rgb(20, 49, 115);
/* oklch */ color: oklch(33.5% 0.119 263.4);

Tailwind

colors: {
  custom: {
    50: '#63689c',
    500: '#143173',
    950: '#000000',
  },
}

SCSS

$custom: #143173;
$custom-light: #63689c;
$custom-dark: #000000;

JSON

{
  "hex": "#143173",
  "rgb": {
    "r": 20,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 221.684,
    "s": 70.37,
    "l": 26.471
  },
  "oklch": {
    "l": 0.33526,
    "c": 0.11925,
    "h": 263.4
  },
  "luminance": 0.03583
}

Semantic roles & 50–950 ramp

primary

#143173

secondary

#A9873A

accent

#B73BED

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #143173

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

Preview Lab → · Contrast checker → · Palette generator →