#143379#143379

#143379 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.5% C 0.125 H 263.3°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#143379
RGB	rgb(20, 51, 121)
HSL	hsl(222, 72%, 28%)
HSV	hsv(222, 83%, 47%)
CMYK	cmyk(83.5%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(23.33, 16.86, -43.13)
CIE-LCH	lch(23.33, 46.31, 291.36°)
OKLab	oklab(34.5% -0.0146 -0.1245)
OKLCH	oklch(34.5% 0.125 263.3)
XYZ	xyz(4.9223, 3.8963, 18.5781)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143379 #795A14

analogous

#146579 #143379 #271479

triadic

#143379 #791433 #337914

tetradic

#143379 #791465 #795A14 #147927

square

#143379 #791465 #795A14 #147927

split-complementary

#143379 #792714 #657914

monochromatic

#040B1A #0B1D44 #143379 #1D49AE #2B62DC

Accessibility & contrast

On white

11.80

#143379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143379

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143379	#FFFFFF	#000000	##FFFFFF
##143379	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7B

Deuteranopia (green-blind)

#003378

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #143379;
/* rgb */ color: rgb(20, 51, 121);
/* oklch */ color: oklch(34.5% 0.125 263.3);

Tailwind

colors: {
  custom: {
    50: '#646aa0',
    500: '#143379',
    950: '#000000',
  },
}

SCSS

$custom: #143379;
$custom-light: #646aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#143379",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 221.584,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34501,
    "c": 0.12534,
    "h": 263.3
  },
  "luminance": 0.03897
}

Semantic roles & 50–950 ramp

primary

#143379

secondary

#AF8B3A

accent

#B739EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #143379

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

Preview Lab → · Contrast checker → · Palette generator →