#163B83#163B83

#163B83 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.2% C 0.129 H 261.9°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#163B83
RGB	rgb(22, 59, 131)
HSL	hsl(220, 71%, 30%)
HSV	hsv(220, 83%, 51%)
CMYK	cmyk(83.2%, 55%, 0%, 48.6%)
CIE-LAB	lab(26.55, 15.56, -44.18)
CIE-LCH	lch(26.55, 46.84, 289.40°)
OKLab	oklab(37.22% -0.0182 -0.1274)
OKLCH	oklch(37.22% 0.129 261.9)
XYZ	xyz(5.9901, 4.9365, 22.1055)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B83 #835E16

analogous

#167283 #163B83 #271683

triadic

#163B83 #83163B #3B8316

tetradic

#163B83 #831672 #835E16 #168327

square

#163B83 #831672 #835E16 #168327

split-complementary

#163B83 #832716 #728316

monochromatic

#040C1A #0D234F #163B83 #1F53B7 #366FDD

Accessibility & contrast

On white

10.57

#163B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#163B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B83

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B83	#FFFFFF	#000000	##FFFFFF
##163B83	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024486

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #163b83;
/* rgb */ color: rgb(22, 59, 131);
/* oklch */ color: oklch(37.2% 0.129 261.9);

Tailwind

colors: {
  custom: {
    50: '#6770a8',
    500: '#163b83',
    950: '#000000',
  },
}

SCSS

$custom: #163b83;
$custom-light: #6770a8;
$custom-dark: #000000;

JSON

{
  "hex": "#163b83",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 219.633,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.37218,
    "c": 0.12868,
    "h": 261.9
  },
  "luminance": 0.04937
}

Semantic roles & 50–950 ramp

primary

#163B83

secondary

#B78E3D

accent

#B13AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #163B83

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

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