#163579#163579

#163579 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.0% C 0.122 H 263.1°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#163579
RGB	rgb(22, 53, 121)
HSL	hsl(221, 69%, 28%)
HSV	hsv(221, 82%, 47%)
CMYK	cmyk(81.8%, 56.2%, 0%, 52.5%)
CIE-LAB	lab(23.99, 15.65, -42.05)
CIE-LCH	lch(23.99, 44.87, 290.42°)
OKLab	oklab(35.02% -0.0146 -0.1212)
OKLCH	oklch(35.02% 0.122 263.1)
XYZ	xyz(5.0539, 4.0967, 18.6098)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163579 #795A16

analogous

#166679 #163579 #281679

triadic

#163579 #791635 #357916

tetradic

#163579 #791666 #795A16 #167928

square

#163579 #791666 #795A16 #167928

split-complementary

#163579 #792816 #667916

monochromatic

#050B1A #0D1E45 #163579 #1F4CAD #3065D9

Accessibility & contrast

On white

11.54

#163579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#163579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163579

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163579	#FFFFFF	#000000	##FFFFFF
##163579	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7B

Deuteranopia (green-blind)

#003578

Tritanopia (blue-blind)

#004651

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #163579;
/* rgb */ color: rgb(22, 53, 121);
/* oklch */ color: oklch(35.0% 0.122 263.1);

Tailwind

colors: {
  custom: {
    50: '#656ba0',
    500: '#163579',
    950: '#000000',
  },
}

SCSS

$custom: #163579;
$custom-light: #656ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#163579",
  "rgb": {
    "r": 22,
    "g": 53,
    "b": 121
  },
  "hsl": {
    "h": 221.212,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35023,
    "c": 0.12212,
    "h": 263.1
  },
  "luminance": 0.04097
}

Semantic roles & 50–950 ramp

primary

#163579

secondary

#AE8B3D

accent

#B53CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #163579

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

Preview Lab → · Contrast checker → · Palette generator →