#163D83#163D83

#163D83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.126 H 261.0°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#163D83
RGB	rgb(22, 61, 131)
HSL	hsl(219, 71%, 30%)
HSV	hsv(219, 83%, 51%)
CMYK	cmyk(83.2%, 53.4%, 0%, 48.6%)
CIE-LAB	lab(27.15, 14.15, -43.22)
CIE-LCH	lch(27.15, 45.48, 288.13°)
OKLab	oklab(37.67% -0.0197 -0.1245)
OKLCH	oklch(37.67% 0.126 261)
XYZ	xyz(6.0949, 5.1460, 22.1404)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D83 #835C16

analogous

#167483 #163D83 #251683

triadic

#163D83 #83163D #3D8316

tetradic

#163D83 #831674 #835C16 #168325

square

#163D83 #831674 #835C16 #168325

split-complementary

#163D83 #832516 #748316

monochromatic

#040C1A #0D254F #163D83 #1F55B7 #3672DD

Accessibility & contrast

On white

10.35

#163D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#163D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D83

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D83	#FFFFFF	#000000	##FFFFFF
##163D83	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4586

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #163d83;
/* rgb */ color: rgb(22, 61, 131);
/* oklch */ color: oklch(37.7% 0.126 261.0);

Tailwind

colors: {
  custom: {
    50: '#6771a8',
    500: '#163d83',
    950: '#000000',
  },
}

SCSS

$custom: #163d83;
$custom-light: #6771a8;
$custom-dark: #000000;

JSON

{
  "hex": "#163d83",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 218.532,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.3767,
    "c": 0.12607,
    "h": 261
  },
  "luminance": 0.05147
}

Semantic roles & 50–950 ramp

primary

#163D83

secondary

#B78C3D

accent

#AE3AEE

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163D83

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

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