#143579#143579

#143579 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 34.9% C 0.123 H 262.5°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#143579
RGB	rgb(20, 53, 121)
HSL	hsl(220, 72%, 28%)
HSV	hsv(220, 83%, 47%)
CMYK	cmyk(83.5%, 56.2%, 0%, 52.5%)
CIE-LAB	lab(23.92, 15.43, -42.16)
CIE-LCH	lch(23.92, 44.90, 290.10°)
OKLab	oklab(34.95% -0.0161 -0.1216)
OKLCH	oklch(34.95% 0.123 262.5)
XYZ	xyz(5.0115, 4.0748, 18.6078)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143579 #795814

analogous

#146779 #143579 #251479

triadic

#143579 #791435 #357914

tetradic

#143579 #791467 #795814 #147925

square

#143579 #791467 #795814 #147925

split-complementary

#143579 #792514 #677914

monochromatic

#040C1A #0B1E44 #143579 #1D4CAE #2B65DC

Accessibility & contrast

On white

11.57

#143579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#143579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143579

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143579	#FFFFFF	#000000	##FFFFFF
##143579	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7B

Deuteranopia (green-blind)

#003478

Tritanopia (blue-blind)

#004651

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #143579;
/* rgb */ color: rgb(20, 53, 121);
/* oklch */ color: oklch(34.9% 0.123 262.5);

Tailwind

colors: {
  custom: {
    50: '#646ba0',
    500: '#143579',
    950: '#000000',
  },
}

SCSS

$custom: #143579;
$custom-light: #646ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#143579",
  "rgb": {
    "r": 20,
    "g": 53,
    "b": 121
  },
  "hsl": {
    "h": 220.396,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34949,
    "c": 0.12268,
    "h": 262.5
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#143579

secondary

#AF893A

accent

#B339EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #143579

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

Preview Lab → · Contrast checker → · Palette generator →