#163F5A#163F5A

#163F5A is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.065 H 241.1°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#163F5A
RGB	rgb(22, 63, 90)
HSL	hsl(204, 61%, 22%)
HSV	hsv(204, 76%, 35%)
CMYK	cmyk(75.6%, 30%, 0%, 64.7%)
CIE-LAB	lab(25.15, -4.12, -20.26)
CIE-LCH	lch(25.15, 20.67, 258.49°)
OKLab	oklab(35.27% -0.0316 -0.0572)
OKLCH	oklch(35.27% 0.065 241.1)
XYZ	xyz(3.9531, 4.4633, 10.3240)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F5A #5A3116

analogous

#165A53 #163F5A #161D5A

triadic

#163F5A #5A163F #3F5A16

tetradic

#163F5A #53165A #5A3116 #1D5A16

square

#163F5A #53165A #5A3116 #1D5A16

split-complementary

#163F5A #5A161D #5A5316

monochromatic

#061119 #0A1D29 #163F5A #22618B #2E84BC

Accessibility & contrast

On white

11.09

#163F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F5A

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F5A	#FFFFFF	#000000	##FFFFFF
##163F5A	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F5B

Deuteranopia (green-blind)

#29395A

Tritanopia (blue-blind)

#004648

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163f5a;
/* rgb */ color: rgb(22, 63, 90);
/* oklch */ color: oklch(35.3% 0.065 241.1);

Tailwind

colors: {
  custom: {
    50: '#5d7388',
    500: '#163f5a',
    950: '#000000',
  },
}

SCSS

$custom: #163f5a;
$custom-light: #5d7388;
$custom-dark: #000000;

JSON

{
  "hex": "#163f5a",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 90
  },
  "hsl": {
    "h": 203.824,
    "s": 60.714,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35266,
    "c": 0.0653,
    "h": 241.1
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#163F5A

secondary

#915D3B

accent

#8344E4

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #163F5A

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

Preview Lab → · Contrast checker → · Palette generator →