#163644#163644

#163644 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.6% C 0.045 H 229.2°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#163644
RGB	rgb(22, 54, 68)
HSL	hsl(198, 51%, 18%)
HSV	hsv(198, 68%, 27%)
CMYK	cmyk(67.6%, 20.6%, 0%, 73.3%)
CIE-LAB	lab(20.93, -6.74, -12.22)
CIE-LCH	lch(20.93, 13.96, 241.13°)
OKLab	oklab(31.55% -0.0294 -0.0341)
OKLCH	oklch(31.55% 0.045 229.2)
XYZ	xyz(2.6930, 3.2260, 5.9485)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163644 #442416

analogous

#16443B #163644 #161F44

triadic

#163644 #441636 #364416

tetradic

#163644 #3B1644 #442416 #1F4416

square

#163644 #3B1644 #442416 #1F4416

split-complementary

#163644 #44161F #443B16

monochromatic

#071217 #071217 #163644 #255B72 #347FA0

Accessibility & contrast

On white

12.76

#163644 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#163644 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163644

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163644	#FFFFFF	#000000	##FFFFFF
##163644	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3545

Deuteranopia (green-blind)

#283044

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #163644;
/* rgb */ color: rgb(22, 54, 68);
/* oklch */ color: oklch(31.6% 0.045 229.2);

Tailwind

colors: {
  custom: {
    50: '#596d78',
    500: '#163644',
    950: '#000000',
  },
}

SCSS

$custom: #163644;
$custom-light: #596d78;
$custom-dark: #000000;

JSON

{
  "hex": "#163644",
  "rgb": {
    "r": 22,
    "g": 54,
    "b": 68
  },
  "hsl": {
    "h": 198.261,
    "s": 51.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.31553,
    "c": 0.04505,
    "h": 229.2
  },
  "luminance": 0.03226
}

Semantic roles & 50–950 ramp

primary

#163644

secondary

#7B4E3A

accent

#784DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #163644

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

Preview Lab → · Contrast checker → · Palette generator →