#163E83#163E83

#163E83 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 37.9% C 0.125 H 260.6°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#163E83
RGB	rgb(22, 62, 131)
HSL	hsl(218, 71%, 30%)
HSV	hsv(218, 83%, 51%)
CMYK	cmyk(83.2%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(27.45, 13.45, -42.73)
CIE-LCH	lch(27.45, 44.80, 287.47°)
OKLab	oklab(37.9% -0.0205 -0.1231)
OKLCH	oklch(37.9% 0.125 260.6)
XYZ	xyz(6.1487, 5.2538, 22.1583)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163E83 #835B16

analogous

#167483 #163E83 #251683

triadic

#163E83 #83163E #3E8316

tetradic

#163E83 #831674 #835B16 #168325

square

#163E83 #831674 #835B16 #168325

split-complementary

#163E83 #832516 #748316

monochromatic

#040C1A #0D254F #163E83 #1F57B7 #3673DD

Accessibility & contrast

On white

10.24

#163E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#163E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163E83

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163E83	#FFFFFF	#000000	##FFFFFF
##163E83	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114685

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163e83;
/* rgb */ color: rgb(22, 62, 131);
/* oklch */ color: oklch(37.9% 0.125 260.6);

Tailwind

colors: {
  custom: {
    50: '#6772a8',
    500: '#163e83',
    950: '#000000',
  },
}

SCSS

$custom: #163e83;
$custom-light: #6772a8;
$custom-dark: #000000;

JSON

{
  "hex": "#163e83",
  "rgb": {
    "r": 22,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 217.982,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.37899,
    "c": 0.12477,
    "h": 260.6
  },
  "luminance": 0.05255
}

Semantic roles & 50–950 ramp

primary

#163E83

secondary

#B78B3D

accent

#AC3AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163E83

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

Preview Lab → · Contrast checker → · Palette generator →