#163D90#163D90

#163D90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.144 H 262.7°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#163D90
RGB	rgb(22, 61, 144)
HSL	hsl(221, 73%, 33%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(84.7%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.17, 19.51, -49.61)
CIE-LCH	lch(28.17, 53.31, 291.47°)
OKLab	oklab(38.77% -0.0184 -0.1433)
OKLCH	oklch(38.77% 0.145 262.7)
XYZ	xyz(7.0319, 5.5208, 27.0752)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D90 #906916

analogous

#167A90 #163D90 #2C1690

triadic

#163D90 #90163D #3D9016

tetradic

#163D90 #90167A #906916 #16902C

square

#163D90 #90167A #906916 #16902C

split-complementary

#163D90 #902C16 #7A9016

monochromatic

#061026 #0E275B #163D90 #1E53C5 #3F73E2

Accessibility & contrast

On white

9.98

#163D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#163D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D90

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D90	#FFFFFF	#000000	##FFFFFF
##163D90	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #163d90;
/* rgb */ color: rgb(22, 61, 144);
/* oklch */ color: oklch(38.8% 0.144 262.7);

Tailwind

colors: {
  custom: {
    50: '#6a71b1',
    500: '#163d90',
    950: '#000000',
  },
}

SCSS

$custom: #163d90;
$custom-light: #6a71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#163d90",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 220.82,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38769,
    "c": 0.1445,
    "h": 262.7
  },
  "luminance": 0.05522
}

Semantic roles & 50–950 ramp

primary

#163D90

secondary

#C29840

accent

#B538F0

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #163D90

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

Preview Lab → · Contrast checker → · Palette generator →