#163D78#163D78

#163D78 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.110 H 258.8°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#163D78
RGB	rgb(22, 61, 120)
HSL	hsl(216, 69%, 28%)
HSV	hsv(216, 82%, 47%)
CMYK	cmyk(81.7%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(26.34, 9.57, -37.61)
CIE-LCH	lch(26.34, 38.81, 284.27°)
OKLab	oklab(36.8% -0.0214 -0.108)
OKLCH	oklch(36.8% 0.11 258.8)
XYZ	xyz(5.3885, 4.8635, 18.4204)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D78 #785116

analogous

#166E78 #163D78 #201678

triadic

#163D78 #78163D #3D7816

tetradic

#163D78 #78166E #785116 #167820

square

#163D78 #78166E #785116 #167820

split-complementary

#163D78 #782016 #6E7816

monochromatic

#050D1A #0D2344 #163D78 #1F57AC #2F73D9

Accessibility & contrast

On white

10.64

#163D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#163D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D78

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D78	#FFFFFF	#000000	##FFFFFF
##163D78	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C437A

Deuteranopia (green-blind)

#013A77

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163d78;
/* rgb */ color: rgb(22, 61, 120);
/* oklch */ color: oklch(36.8% 0.110 258.8);

Tailwind

colors: {
  custom: {
    50: '#64719f',
    500: '#163d78',
    950: '#000000',
  },
}

SCSS

$custom: #163d78;
$custom-light: #64719f;
$custom-dark: #000000;

JSON

{
  "hex": "#163d78",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 216.122,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36797,
    "c": 0.11011,
    "h": 258.8
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#163D78

secondary

#AD803C

accent

#A63CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163D78

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

Preview Lab → · Contrast checker → · Palette generator →