#163D5B#163D5B

#163D5B is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.068 H 245.0°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#163D5B
RGB	rgb(22, 61, 91)
HSL	hsl(206, 61%, 22%)
HSV	hsv(206, 76%, 36%)
CMYK	cmyk(75.8%, 33%, 0%, 64.3%)
CIE-LAB	lab(24.52, -2.40, -21.89)
CIE-LCH	lch(24.52, 22.02, 263.75°)
OKLab	oklab(34.79% -0.0289 -0.0619)
OKLCH	oklch(34.79% 0.068 245)
XYZ	xyz(3.8872, 4.2630, 10.5135)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D5B #5B3416

analogous

#165B57 #163D5B #161B5B

triadic

#163D5B #5B163D #3D5B16

tetradic

#163D5B #57165B #5B3416 #1B5B16

square

#163D5B #57165B #5B3416 #1B5B16

split-complementary

#163D5B #5B161B #5B5716

monochromatic

#061119 #0A1C2A #163D5B #225E8C #2E7FBE

Accessibility & contrast

On white

11.34

#163D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#163D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D5B

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D5B	#FFFFFF	#000000	##FFFFFF
##163D5B	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5C

Deuteranopia (green-blind)

#26375A

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #163d5b;
/* rgb */ color: rgb(22, 61, 91);
/* oklch */ color: oklch(34.8% 0.068 245.0);

Tailwind

colors: {
  custom: {
    50: '#5d7289',
    500: '#163d5b',
    950: '#000000',
  },
}

SCSS

$custom: #163d5b;
$custom-light: #5d7289;
$custom-dark: #000000;

JSON

{
  "hex": "#163d5b",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 91
  },
  "hsl": {
    "h": 206.087,
    "s": 61.062,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34789,
    "c": 0.06835,
    "h": 245
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#163D5B

secondary

#92613B

accent

#8944E4

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #163D5B

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

Preview Lab → · Contrast checker → · Palette generator →