#163C90#163C90

#163C90 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.146 H 263.0°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#163C90
RGB	rgb(22, 60, 144)
HSL	hsl(221, 73%, 33%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(84.7%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(27.89, 20.21, -50.07)
CIE-LCH	lch(27.89, 54.00, 291.98°)
OKLab	oklab(38.56% -0.0177 -0.1447)
OKLCH	oklch(38.56% 0.146 263)
XYZ	xyz(6.9790, 5.4151, 27.0575)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C90 #906A16

analogous

#167990 #163C90 #2D1690

triadic

#163C90 #90163C #3C9016

tetradic

#163C90 #901679 #906A16 #16902D

square

#163C90 #901679 #906A16 #16902D

split-complementary

#163C90 #902D16 #799016

monochromatic

#061026 #0E265B #163C90 #1E52C5 #3F71E2

Accessibility & contrast

On white

10.08

#163C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#163C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C90

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C90	#FFFFFF	#000000	##FFFFFF
##163C90	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #163c90;
/* rgb */ color: rgb(22, 60, 144);
/* oklch */ color: oklch(38.6% 0.146 263.0);

Tailwind

colors: {
  custom: {
    50: '#6b71b1',
    500: '#163c90',
    950: '#000000',
  },
}

SCSS

$custom: #163c90;
$custom-light: #6b71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#163c90",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 221.311,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38555,
    "c": 0.14578,
    "h": 263
  },
  "luminance": 0.05416
}

Semantic roles & 50–950 ramp

primary

#163C90

secondary

#C29940

accent

#B738F0

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #163C90

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

Preview Lab → · Contrast checker → · Palette generator →