#163778#163778

#163778 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.118 H 262.0°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#163778
RGB	rgb(22, 55, 120)
HSL	hsl(220, 69%, 28%)
HSV	hsv(220, 82%, 47%)
CMYK	cmyk(81.7%, 54.2%, 0%, 52.9%)
CIE-LAB	lab(24.51, 13.81, -40.57)
CIE-LCH	lch(24.51, 42.86, 288.80°)
OKLab	oklab(35.39% -0.0163 -0.1169)
OKLCH	oklch(35.39% 0.118 262)
XYZ	xyz(5.0860, 4.2584, 18.3196)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163778 #785716

analogous

#166878 #163778 #261678

triadic

#163778 #781637 #377816

tetradic

#163778 #781668 #785716 #167826

square

#163778 #781668 #785716 #167826

split-complementary

#163778 #782616 #687816

monochromatic

#050C1A #0D1F44 #163778 #1F4FAC #2F69D9

Accessibility & contrast

On white

11.34

#163778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#163778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163778

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163778	#FFFFFF	#000000	##FFFFFF
##163778	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3F7A

Deuteranopia (green-blind)

#003677

Tritanopia (blue-blind)

#004752

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #163778;
/* rgb */ color: rgb(22, 55, 120);
/* oklch */ color: oklch(35.4% 0.118 262.0);

Tailwind

colors: {
  custom: {
    50: '#646d9f',
    500: '#163778',
    950: '#000000',
  },
}

SCSS

$custom: #163778;
$custom-light: #646d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#163778",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 120
  },
  "hsl": {
    "h": 219.796,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35393,
    "c": 0.118,
    "h": 262
  },
  "luminance": 0.04259
}

Semantic roles & 50–950 ramp

primary

#163778

secondary

#AD873C

accent

#B13CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070F

muted

#7A7A7E

Preview Lab

Preview with #163778

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

Preview Lab → · Contrast checker → · Palette generator →