#143571#143571

#143571 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.111 H 261.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#143571
RGB	rgb(20, 53, 113)
HSL	hsl(219, 70%, 26%)
HSV	hsv(219, 82%, 44%)
CMYK	cmyk(82.3%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(23.29, 12.06, -38.08)
CIE-LCH	lch(23.29, 39.94, 287.58°)
OKLab	oklab(34.28% -0.0171 -0.1096)
OKLCH	oklch(34.28% 0.111 261.2)
XYZ	xyz(4.5412, 3.8867, 16.1304)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143571 #715014

analogous

#146371 #143571 #211471

triadic

#143571 #711435 #357114

tetradic

#143571 #711463 #715014 #147121

square

#143571 #711463 #715014 #147121

split-complementary

#143571 #712114 #637114

monochromatic

#050C1A #0B1D3D #143571 #1D4DA5 #2766D9

Accessibility & contrast

On white

11.82

#143571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#143571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143571

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143571	#FFFFFF	#000000	##FFFFFF
##143571	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3C73

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #143571;
/* rgb */ color: rgb(20, 53, 113);
/* oklch */ color: oklch(34.3% 0.111 261.2);

Tailwind

colors: {
  custom: {
    50: '#626b9a',
    500: '#143571',
    950: '#000000',
  },
}

SCSS

$custom: #143571;
$custom-light: #626b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#143571",
  "rgb": {
    "r": 20,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 218.71,
    "s": 69.925,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34276,
    "c": 0.11092,
    "h": 261.2
  },
  "luminance": 0.03887
}

Semantic roles & 50–950 ramp

primary

#143571

secondary

#A78039

accent

#AE3BED

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #143571

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

Preview Lab → · Contrast checker → · Palette generator →