#163B8D#163B8D

#163B8D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.143 H 263.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#163B8D
RGB	rgb(22, 59, 141)
HSL	hsl(221, 73%, 32%)
HSV	hsv(221, 84%, 55%)
CMYK	cmyk(84.4%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(27.35, 19.68, -49.09)
CIE-LCH	lch(27.35, 52.89, 291.85°)
OKLab	oklab(38.08% -0.0173 -0.1418)
OKLCH	oklch(38.08% 0.143 263.1)
XYZ	xyz(6.7008, 5.2208, 25.8487)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B8D #8D6816

analogous

#16768D #163B8D #2D168D

triadic

#163B8D #8D163B #3B8D16

tetradic

#163B8D #8D1676 #8D6816 #168D2D

square

#163B8D #8D1676 #8D6816 #168D2D

split-complementary

#163B8D #8D2D16 #768D16

monochromatic

#050F23 #0E2558 #163B8D #1E51C2 #3D70E1

Accessibility & contrast

On white

10.27

#163B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#163B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B8D

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B8D	#FFFFFF	#000000	##FFFFFF
##163B8D	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #163b8d;
/* rgb */ color: rgb(22, 59, 141);
/* oklch */ color: oklch(38.1% 0.143 263.1);

Tailwind

colors: {
  custom: {
    50: '#6a70af',
    500: '#163b8d',
    950: '#000000',
  },
}

SCSS

$custom: #163b8d;
$custom-light: #6a70af;
$custom-dark: #000000;

JSON

{
  "hex": "#163b8d",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 221.345,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38077,
    "c": 0.14288,
    "h": 263.1
  },
  "luminance": 0.05222
}

Semantic roles & 50–950 ramp

primary

#163B8D

secondary

#C1983E

accent

#B738F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #163B8D

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

Preview Lab → · Contrast checker → · Palette generator →