#163643#163643

#163643 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.044 H 227.3°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX#163643
RGBrgb(22, 54, 67)
HSLhsl(197, 51%, 17%)
HSVhsv(197, 67%, 26%)
CMYKcmyk(67.2%, 19.4%, 0%, 73.7%)
CIE-LABlab(20.88, -7.11, -11.62)
CIE-LCHlch(20.88, 13.62, 238.53°)
OKLaboklab(31.5% -0.0299 -0.0324)
OKLCHoklch(31.5% 0.044 227.3)
XYZxyz(2.6628, 3.2139, 5.7891)
Luminance0.0321 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#163643 #432316
analogous
#164339 #163643 #162043
triadic
#163643 #431636 #364316
tetradic
#163643 #391643 #432316 #204316
square
#163643 #391643 #432316 #204316
split-complementary
#163643 #431620 #433916
monochromatic
#081317 #081317 #163643 #255B71 #34809F

Accessibility & contrast

On white

12.78
#163643 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.64
#163643 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163643
12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##163643#FFFFFF#000000##FFFFFF
##1636431.0012.781.6412.78
#FFFFFF12.781.0021.001.00
#0000001.6421.001.0021.00
##FFFFFF12.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3544
Deuteranopia (green-blind)
#293043
Tritanopia (blue-blind)
#003A3A
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #163643;
/* rgb */ color: rgb(22, 54, 67);
/* oklch */ color: oklch(31.5% 0.044 227.3);
Tailwind
colors: {
  custom: {
    50: '#586d77',
    500: '#163643',
    950: '#000000',
  },
}
SCSS
$custom: #163643;
$custom-light: #586d77;
$custom-dark: #000000;
JSON
{
  "hex": "#163643",
  "rgb": {
    "r": 22,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 197.333,
    "s": 50.562,
    "l": 17.451
  },
  "oklch": {
    "l": 0.31501,
    "c": 0.04407,
    "h": 227.3
  },
  "luminance": 0.03214
}

Semantic roles & 50–950 ramp

primary
#163643
secondary
#7A4D3A
accent
#764EDA
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#040708
muted
#797A7B

Preview Lab

Preview with #163643

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

Preview Lab → · Contrast checker → · Palette generator →

#163643 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva