#163578#163578

#163578 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 34.9% C 0.121 H 263.0°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#163578
RGB	rgb(22, 53, 120)
HSL	hsl(221, 69%, 28%)
HSV	hsv(221, 82%, 47%)
CMYK	cmyk(81.7%, 55.8%, 0%, 52.9%)
CIE-LAB	lab(23.91, 15.24, -41.54)
CIE-LCH	lch(23.91, 44.25, 290.14°)
OKLab	oklab(34.94% -0.0147 -0.1198)
OKLCH	oklch(34.94% 0.121 263)
XYZ	xyz(4.9929, 4.0723, 18.2885)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163578 #785916

analogous

#166678 #163578 #281678

triadic

#163578 #781635 #357816

tetradic

#163578 #781666 #785916 #167828

square

#163578 #781666 #785916 #167828

split-complementary

#163578 #782816 #667816

monochromatic

#050B1A #0D1E44 #163578 #1F4CAC #2F65D9

Accessibility & contrast

On white

11.57

#163578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#163578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163578

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163578	#FFFFFF	#000000	##FFFFFF
##163578	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013E7A

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #163578;
/* rgb */ color: rgb(22, 53, 120);
/* oklch */ color: oklch(34.9% 0.121 263.0);

Tailwind

colors: {
  custom: {
    50: '#646b9f',
    500: '#163578',
    950: '#000000',
  },
}

SCSS

$custom: #163578;
$custom-light: #646b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#163578",
  "rgb": {
    "r": 22,
    "g": 53,
    "b": 120
  },
  "hsl": {
    "h": 221.02,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34938,
    "c": 0.12066,
    "h": 263
  },
  "luminance": 0.04073
}

Semantic roles & 50–950 ramp

primary

#163578

secondary

#AD8A3C

accent

#B43CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #163578

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

Preview Lab → · Contrast checker → · Palette generator →