#163C8F#163C8F

#163C8F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.144 H 262.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#163C8F
RGB	rgb(22, 60, 143)
HSL	hsl(221, 73%, 32%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(84.6%, 58%, 0%, 43.9%)
CIE-LAB	lab(27.80, 19.80, -49.59)
CIE-LCH	lch(27.80, 53.40, 291.77°)
OKLab	oklab(38.47% -0.0178 -0.1433)
OKLCH	oklch(38.47% 0.144 262.9)
XYZ	xyz(6.9029, 5.3846, 26.6568)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C8F #8F6916

analogous

#16798F #163C8F #2D168F

triadic

#163C8F #8F163C #3C8F16

tetradic

#163C8F #8F1679 #8F6916 #168F2D

square

#163C8F #8F1679 #8F6916 #168F2D

split-complementary

#163C8F #8F2D16 #798F16

monochromatic

#060F25 #0E265A #163C8F #1E52C4 #3E71E1

Accessibility & contrast

On white

10.11

#163C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#163C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C8F

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C8F	#FFFFFF	#000000	##FFFFFF
##163C8F	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #163c8f;
/* rgb */ color: rgb(22, 60, 143);
/* oklch */ color: oklch(38.5% 0.144 262.9);

Tailwind

colors: {
  custom: {
    50: '#6a71b0',
    500: '#163c8f',
    950: '#000000',
  },
}

SCSS

$custom: #163c8f;
$custom-light: #6a71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#163c8f",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 221.157,
    "s": 73.333,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38467,
    "c": 0.14439,
    "h": 262.9
  },
  "luminance": 0.05385
}

Semantic roles & 50–950 ramp

primary

#163C8F

secondary

#C1993F

accent

#B638F0

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #163C8F

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

Preview Lab → · Contrast checker → · Palette generator →