#163371#163371

#163371 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.113 H 262.9°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#163371
RGB	rgb(22, 51, 113)
HSL	hsl(221, 67%, 26%)
HSV	hsv(221, 81%, 44%)
CMYK	cmyk(80.5%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(22.76, 13.75, -38.94)
CIE-LCH	lch(22.76, 41.30, 289.44°)
OKLab	oklab(33.89% -0.0139 -0.1121)
OKLCH	oklch(33.89% 0.113 262.9)
XYZ	xyz(4.4943, 3.7300, 16.1027)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163371 #715416

analogous

#166171 #163371 #271671

triadic

#163371 #711633 #337116

tetradic

#163371 #711661 #715416 #167127

square

#163371 #711661 #715416 #167127

split-complementary

#163371 #712716 #617116

monochromatic

#050C1A #0C1C3E #163371 #204AA4 #2C62D6

Accessibility & contrast

On white

12.03

#163371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#163371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163371

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163371	#FFFFFF	#000000	##FFFFFF
##163371	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073B73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #163371;
/* rgb */ color: rgb(22, 51, 113);
/* oklch */ color: oklch(33.9% 0.113 262.9);

Tailwind

colors: {
  custom: {
    50: '#636a9a',
    500: '#163371',
    950: '#000000',
  },
}

SCSS

$custom: #163371;
$custom-light: #636a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#163371",
  "rgb": {
    "r": 22,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 220.879,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.33889,
    "c": 0.11301,
    "h": 262.9
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary

#163371

secondary

#A7853C

accent

#B33EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #163371

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

Preview Lab → · Contrast checker → · Palette generator →