#163984#163984

#163984 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.9% C 0.133 H 262.8°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#163984
RGB	rgb(22, 57, 132)
HSL	hsl(221, 71%, 30%)
HSV	hsv(221, 83%, 52%)
CMYK	cmyk(83.3%, 56.8%, 0%, 48.2%)
CIE-LAB	lab(26.05, 17.38, -45.63)
CIE-LCH	lch(26.05, 48.83, 290.85°)
OKLab	oklab(36.86% -0.0166 -0.1317)
OKLCH	oklch(36.86% 0.133 262.8)
XYZ	xyz(5.9574, 4.7621, 22.4305)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163984 #846116

analogous

#167084 #163984 #2A1684

triadic

#163984 #841639 #398416

tetradic

#163984 #841670 #846116 #16842A

square

#163984 #841670 #846116 #16842A

split-complementary

#163984 #842A16 #708416

monochromatic

#050C1B #0D2250 #163984 #1F50B8 #376CDE

Accessibility & contrast

On white

10.75

#163984 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#163984 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163984

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163984	#FFFFFF	#000000	##FFFFFF
##163984	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003983

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163984;
/* rgb */ color: rgb(22, 57, 132);
/* oklch */ color: oklch(36.9% 0.133 262.8);

Tailwind

colors: {
  custom: {
    50: '#676ea8',
    500: '#163984',
    950: '#000000',
  },
}

SCSS

$custom: #163984;
$custom-light: #676ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#163984",
  "rgb": {
    "r": 22,
    "g": 57,
    "b": 132
  },
  "hsl": {
    "h": 220.909,
    "s": 71.429,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36859,
    "c": 0.13273,
    "h": 262.8
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#163984

secondary

#B8913D

accent

#B53AEE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163984

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

Preview Lab → · Contrast checker → · Palette generator →