#163F83#163F83

#163F83 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.1% C 0.123 H 260.1°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#163F83
RGB	rgb(22, 63, 131)
HSL	hsl(217, 71%, 30%)
HSV	hsv(217, 83%, 51%)
CMYK	cmyk(83.2%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(27.75, 12.75, -42.25)
CIE-LCH	lch(27.75, 44.13, 286.80°)
OKLab	oklab(38.13% -0.0213 -0.1216)
OKLCH	oklch(38.13% 0.123 260.1)
XYZ	xyz(6.2036, 5.3635, 22.1766)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F83 #835A16

analogous

#167683 #163F83 #231683

triadic

#163F83 #83163F #3F8316

tetradic

#163F83 #831676 #835A16 #168323

square

#163F83 #831676 #835A16 #168323

split-complementary

#163F83 #832316 #768316

monochromatic

#040D1A #0D264F #163F83 #1F58B7 #3675DD

Accessibility & contrast

On white

10.13

#163F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#163F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F83

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F83	#FFFFFF	#000000	##FFFFFF
##163F83	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144785

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163f83;
/* rgb */ color: rgb(22, 63, 131);
/* oklch */ color: oklch(38.1% 0.123 260.1);

Tailwind

colors: {
  custom: {
    50: '#6773a8',
    500: '#163f83',
    950: '#000000',
  },
}

SCSS

$custom: #163f83;
$custom-light: #6773a8;
$custom-dark: #000000;

JSON

{
  "hex": "#163f83",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 217.431,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.38128,
    "c": 0.12347,
    "h": 260.1
  },
  "luminance": 0.05364
}

Semantic roles & 50–950 ramp

primary

#163F83

secondary

#B78A3D

accent

#AA3AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #163F83

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

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