#143063#143063

#143063 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 31.9% C 0.097 H 261.2°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#143063
RGB	rgb(20, 48, 99)
HSL	hsl(219, 66%, 23%)
HSV	hsv(219, 80%, 39%)
CMYK	cmyk(79.8%, 51.5%, 0%, 61.2%)
CIE-LAB	lab(20.69, 9.74, -33.23)
CIE-LCH	lch(20.69, 34.63, 286.33°)
OKLab	oklab(31.95% -0.0148 -0.0954)
OKLCH	oklch(31.95% 0.097 261.2)
XYZ	xyz(3.5968, 3.1631, 12.2229)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143063 #634714

analogous

#145763 #143063 #1F1463

triadic

#143063 #631430 #306314

tetradic

#143063 #631457 #634714 #14631F

square

#143063 #631457 #634714 #14631F

split-complementary

#143063 #631F14 #576314

monochromatic

#050C19 #0A1730 #143063 #1E4996 #2961C9

Accessibility & contrast

On white

12.86

#143063 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#143063 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143063

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143063	#FFFFFF	#000000	##FFFFFF
##143063	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133665

Deuteranopia (green-blind)

#002E62

Tritanopia (blue-blind)

#003C44

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #143063;
/* rgb */ color: rgb(20, 48, 99);
/* oklch */ color: oklch(31.9% 0.097 261.2);

Tailwind

colors: {
  custom: {
    50: '#5e6790',
    500: '#143063',
    950: '#000000',
  },
}

SCSS

$custom: #143063;
$custom-light: #5e6790;
$custom-dark: #000000;

JSON

{
  "hex": "#143063",
  "rgb": {
    "r": 20,
    "g": 48,
    "b": 99
  },
  "hsl": {
    "h": 218.734,
    "s": 66.387,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31946,
    "c": 0.09657,
    "h": 261.2
  },
  "luminance": 0.03163
}

Semantic roles & 50–950 ramp

primary

#143063

secondary

#9A7838

accent

#AD3EE9

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #143063

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

Preview Lab → · Contrast checker → · Palette generator →