#163373#163373

#163373 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.116 H 263.2°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#163373
RGB	rgb(22, 51, 115)
HSL	hsl(221, 68%, 27%)
HSV	hsv(221, 81%, 45%)
CMYK	cmyk(80.9%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(22.91, 14.58, -39.97)
CIE-LCH	lch(22.91, 42.54, 290.04°)
OKLab	oklab(34.06% -0.0137 -0.1152)
OKLCH	oklch(34.06% 0.116 263.2)
XYZ	xyz(4.6081, 3.7755, 16.7022)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163373 #735616

analogous

#166273 #163373 #271673

triadic

#163373 #731633 #337316

tetradic

#163373 #731662 #735616 #167327

square

#163373 #731662 #735616 #167327

split-complementary

#163373 #732716 #627316

monochromatic

#050B1A #0C1C40 #163373 #204AA6 #2D62D7

Accessibility & contrast

On white

11.96

#163373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#163373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163373

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163373	#FFFFFF	#000000	##FFFFFF
##163373	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033B75

Deuteranopia (green-blind)

#003372

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #163373;
/* rgb */ color: rgb(22, 51, 115);
/* oklch */ color: oklch(34.1% 0.116 263.2);

Tailwind

colors: {
  custom: {
    50: '#636a9c',
    500: '#163373',
    950: '#000000',
  },
}

SCSS

$custom: #163373;
$custom-light: #636a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#163373",
  "rgb": {
    "r": 22,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 221.29,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34058,
    "c": 0.11598,
    "h": 263.2
  },
  "luminance": 0.03776
}

Semantic roles & 50–950 ramp

primary

#163373

secondary

#A9873C

accent

#B53DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #163373

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

Preview Lab → · Contrast checker → · Palette generator →