#163D4B#163D4B

#163D4B is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.050 H 224.9°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#163D4B
RGB	rgb(22, 61, 75)
HSL	hsl(196, 55%, 19%)
HSV	hsv(196, 71%, 29%)
CMYK	cmyk(70.7%, 18.7%, 0%, 70.6%)
CIE-LAB	lab(23.72, -8.62, -12.60)
CIE-LCH	lch(23.72, 15.27, 235.64°)
OKLab	oklab(33.89% -0.0353 -0.0352)
OKLCH	oklch(33.89% 0.05 224.9)
XYZ	xyz(3.2691, 4.0157, 7.2581)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D4B #4B2416

analogous

#164B3F #163D4B #16234B

triadic

#163D4B #4B163D #3D4B16

tetradic

#163D4B #3F164B #4B2416 #234B16

square

#163D4B #3F164B #4B2416 #234B16

split-complementary

#163D4B #4B1623 #4B3F16

monochromatic

#071318 #08171C #163D4B #24637A #328AAA

Accessibility & contrast

On white

11.65

#163D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#163D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D4B

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D4B	#FFFFFF	#000000	##FFFFFF
##163D4B	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353C4C

Deuteranopia (green-blind)

#2E364B

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #163d4b;
/* rgb */ color: rgb(22, 61, 75);
/* oklch */ color: oklch(33.9% 0.050 224.9);

Tailwind

colors: {
  custom: {
    50: '#5a727d',
    500: '#163d4b',
    950: '#000000',
  },
}

SCSS

$custom: #163d4b;
$custom-light: #5a727d;
$custom-dark: #000000;

JSON

{
  "hex": "#163d4b",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 75
  },
  "hsl": {
    "h": 195.849,
    "s": 54.639,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33891,
    "c": 0.04983,
    "h": 224.9
  },
  "luminance": 0.04016
}

Semantic roles & 50–950 ramp

primary

#163D4B

secondary

#834D3A

accent

#714ADE

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #163D4B

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

Preview Lab → · Contrast checker → · Palette generator →