#143373#143373

#143373 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.117 H 262.5°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#143373
RGB	rgb(20, 51, 115)
HSL	hsl(220, 70%, 26%)
HSV	hsv(220, 83%, 45%)
CMYK	cmyk(82.6%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(22.84, 14.35, -40.09)
CIE-LCH	lch(22.84, 42.58, 289.69°)
OKLab	oklab(33.98% -0.0152 -0.1156)
OKLCH	oklch(33.98% 0.117 262.5)
XYZ	xyz(4.5657, 3.7536, 16.7002)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143373 #735414

analogous

#146373 #143373 #251473

triadic

#143373 #731433 #337314

tetradic

#143373 #731463 #735414 #147325

square

#143373 #731463 #735414 #147325

split-complementary

#143373 #732514 #637314

monochromatic

#050C1A #0B1C3F #143373 #1D4AA7 #2862DA

Accessibility & contrast

On white

11.99

#143373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#143373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143373

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143373	#FFFFFF	#000000	##FFFFFF
##143373	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033B75

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #143373;
/* rgb */ color: rgb(20, 51, 115);
/* oklch */ color: oklch(34.0% 0.117 262.5);

Tailwind

colors: {
  custom: {
    50: '#636a9c',
    500: '#143373',
    950: '#000000',
  },
}

SCSS

$custom: #143373;
$custom-light: #636a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#143373",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 220.421,
    "s": 70.37,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3398,
    "c": 0.11656,
    "h": 262.5
  },
  "luminance": 0.03754
}

Semantic roles & 50–950 ramp

primary

#143373

secondary

#A9853A

accent

#B33BED

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #143373

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

Preview Lab → · Contrast checker → · Palette generator →