#16337C#16337C

#16337C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.8% C 0.129 H 264.3°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#16337C
RGBrgb(22, 51, 124)
HSLhsl(223, 70%, 29%)
HSVhsv(223, 82%, 49%)
CMYKcmyk(82.3%, 58.9%, 0%, 51.4%)
CIE-LABlab(23.65, 18.32, -44.50)
CIE-LCHlch(23.65, 48.12, 292.38°)
OKLaboklab(34.84% -0.0129 -0.1285)
OKLCHoklch(34.84% 0.129 264.3)
XYZxyz(5.1515, 3.9929, 19.5641)
Luminance0.0399 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#16337C #7C5F16
analogous
#16667C #16337C #2C167C
triadic
#16337C #7C1633 #337C16
tetradic
#16337C #7C1666 #7C5F16 #167C2C
square
#16337C #7C1666 #7C5F16 #167C2C
split-complementary
#16337C #7C2C16 #667C16
monochromatic
#050B1A #0D1E48 #16337C #1F48B0 #3262DB

Accessibility & contrast

On white

11.68
#16337C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#16337C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16337C
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##16337C#FFFFFF#000000##FFFFFF
##16337C1.0011.681.8011.68
#FFFFFF11.681.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003D7E
Deuteranopia (green-blind)
#00347B
Tritanopia (blue-blind)
#004552
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #16337c;
/* rgb */ color: rgb(22, 51, 124);
/* oklch */ color: oklch(34.8% 0.129 264.3);
Tailwind
colors: {
  custom: {
    50: '#666aa3',
    500: '#16337c',
    950: '#000000',
  },
}
SCSS
$custom: #16337c;
$custom-light: #666aa3;
$custom-dark: #000000;
JSON
{
  "hex": "#16337c",
  "rgb": {
    "r": 22,
    "g": 51,
    "b": 124
  },
  "hsl": {
    "h": 222.941,
    "s": 69.863,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34843,
    "c": 0.12914,
    "h": 264.3
  },
  "luminance": 0.03993
}

Semantic roles & 50–950 ramp

primary
#16337C
secondary
#B1903D
accent
#BA3BED
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #16337C

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

Preview Lab → · Contrast checker → · Palette generator →

#16337C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva