#163D8F#163D8F

#163D8F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.143 H 262.6°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#163D8F
RGB	rgb(22, 61, 143)
HSL	hsl(221, 73%, 32%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(84.6%, 57.3%, 0%, 43.9%)
CIE-LAB	lab(28.09, 19.10, -49.13)
CIE-LCH	lch(28.09, 52.71, 291.25°)
OKLab	oklab(38.68% -0.0184 -0.1419)
OKLCH	oklch(38.68% 0.143 262.6)
XYZ	xyz(6.9558, 5.4904, 26.6744)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D8F #8F6816

analogous

#167A8F #163D8F #2B168F

triadic

#163D8F #8F163D #3D8F16

tetradic

#163D8F #8F167A #8F6816 #168F2B

square

#163D8F #8F167A #8F6816 #168F2B

split-complementary

#163D8F #8F2B16 #7A8F16

monochromatic

#061025 #0E265A #163D8F #1E54C4 #3E73E1

Accessibility & contrast

On white

10.01

#163D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#163D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D8F

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D8F	#FFFFFF	#000000	##FFFFFF
##163D8F	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #163d8f;
/* rgb */ color: rgb(22, 61, 143);
/* oklch */ color: oklch(38.7% 0.143 262.6);

Tailwind

colors: {
  custom: {
    50: '#6a71b0',
    500: '#163d8f',
    950: '#000000',
  },
}

SCSS

$custom: #163d8f;
$custom-light: #6a71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#163d8f",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 143
  },
  "hsl": {
    "h": 220.661,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38682,
    "c": 0.1431,
    "h": 262.6
  },
  "luminance": 0.05491
}

Semantic roles & 50–950 ramp

primary

#163D8F

secondary

#C1973F

accent

#B538F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #163D8F

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

Preview Lab → · Contrast checker → · Palette generator →