#143779#143779

#143779 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.4% C 0.120 H 261.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#143779
RGB	rgb(20, 55, 121)
HSL	hsl(219, 72%, 28%)
HSV	hsv(219, 83%, 47%)
CMYK	cmyk(83.5%, 54.5%, 0%, 52.5%)
CIE-LAB	lab(24.52, 14.01, -41.19)
CIE-LCH	lch(24.52, 43.51, 288.78°)
OKLab	oklab(35.4% -0.0176 -0.1187)
OKLCH	oklch(35.4% 0.12 261.6)
XYZ	xyz(5.1046, 4.2610, 18.6389)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143779 #795614

analogous

#146979 #143779 #241479

triadic

#143779 #791437 #377914

tetradic

#143779 #791469 #795614 #147924

square

#143779 #791469 #795614 #147924

split-complementary

#143779 #792414 #697914

monochromatic

#040C1A #0B1F44 #143779 #1D4FAE #2B69DC

Accessibility & contrast

On white

11.34

#143779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#143779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143779

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143779	#FFFFFF	#000000	##FFFFFF
##143779	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073F7B

Deuteranopia (green-blind)

#003678

Tritanopia (blue-blind)

#004752

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #143779;
/* rgb */ color: rgb(20, 55, 121);
/* oklch */ color: oklch(35.4% 0.120 261.6);

Tailwind

colors: {
  custom: {
    50: '#646da0',
    500: '#143779',
    950: '#000000',
  },
}

SCSS

$custom: #143779;
$custom-light: #646da0;
$custom-dark: #000000;

JSON

{
  "hex": "#143779",
  "rgb": {
    "r": 20,
    "g": 55,
    "b": 121
  },
  "hsl": {
    "h": 219.208,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35404,
    "c": 0.12003,
    "h": 261.6
  },
  "luminance": 0.04262
}

Semantic roles & 50–950 ramp

primary

#143779

secondary

#AF863A

accent

#B039EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #143779

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

Preview Lab → · Contrast checker → · Palette generator →