#163657#163657

#163657 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.070 H 251.4°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX#163657
RGBrgb(22, 54, 87)
HSLhsl(210, 60%, 21%)
HSVhsv(210, 75%, 34%)
CMYKcmyk(74.7%, 37.9%, 0%, 65.9%)
CIE-LABlab(21.93, 0.75, -23.34)
CIE-LCHlch(21.93, 23.36, 271.85°)
OKLaboklab(32.68% -0.0223 -0.0663)
OKLCHoklch(32.68% 0.07 251.4)
XYZxyz(3.3697, 3.4967, 9.5123)
Luminance0.0350 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#163657 #573716
analogous
#165757 #163657 #171657
triadic
#163657 #571636 #365716
tetradic
#163657 #571657 #573716 #165717
square
#163657 #571657 #573716 #165717
split-complementary
#163657 #571716 #575716
monochromatic
#060F18 #0A1826 #163657 #225488 #2F73B9

Accessibility & contrast

On white

12.36
#163657 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#163657 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163657
12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##163657#FFFFFF#000000##FFFFFF
##1636571.0012.361.7012.36
#FFFFFF12.361.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#273858
Deuteranopia (green-blind)
#1E3256
Tritanopia (blue-blind)
#003E42
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #163657;
/* rgb */ color: rgb(22, 54, 87);
/* oklch */ color: oklch(32.7% 0.070 251.4);
Tailwind
colors: {
  custom: {
    50: '#5c6c86',
    500: '#163657',
    950: '#000000',
  },
}
SCSS
$custom: #163657;
$custom-light: #5c6c86;
$custom-dark: #000000;
JSON
{
  "hex": "#163657",
  "rgb": {
    "r": 22,
    "g": 54,
    "b": 87
  },
  "hsl": {
    "h": 210.462,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32678,
    "c": 0.06992,
    "h": 251.4
  },
  "luminance": 0.03497
}

Semantic roles & 50–950 ramp

primary
#163657
secondary
#8E653A
accent
#9545E3
background
#F5F6F8
surface
#E9EBEF
border
#C5C6CA
text
#04070B
muted
#797A7C

Preview Lab

Preview with #163657

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

Preview Lab → · Contrast checker → · Palette generator →

#163657 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva