#16183C#16183C

#16183C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.068 H 277.2°. Best body text is #FFFFFF at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#16183C
RGB	rgb(22, 24, 60)
HSL	hsl(237, 46%, 16%)
HSV	hsv(237, 63%, 24%)
CMYK	cmyk(63.3%, 60%, 0%, 76.5%)
CIE-LAB	lab(10.18, 11.80, -23.58)
CIE-LCH	lch(10.18, 26.37, 296.58°)
OKLab	oklab(23.03% 0.0086 -0.0674)
OKLCH	oklch(23.03% 0.068 277.2)
XYZ	xyz(1.4729, 1.1500, 4.4184)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16183C #3C3A16

analogous

#162B3C #16183C #27163C

triadic

#16183C #3C1618 #183C16

tetradic

#16183C #3C162B #3C3A16 #163C27

square

#16183C #3C162B #3C3A16 #163C27

split-complementary

#16183C #3C2716 #2B3C16

monochromatic

#080916 #080916 #16183C #262A69 #373C96

Accessibility & contrast

On white

17.07

#16183C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#16183C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16183C

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16183C	#FFFFFF	#000000	##FFFFFF
##16183C	1.00	17.07	1.23	17.07
#FFFFFF	17.07	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051D3D

Deuteranopia (green-blind)

#021A3B

Tritanopia (blue-blind)

#042027

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #16183c;
/* rgb */ color: rgb(22, 24, 60);
/* oklch */ color: oklch(23.0% 0.068 277.2);

Tailwind

colors: {
  custom: {
    50: '#575472',
    500: '#16183c',
    950: '#000000',
  },
}

SCSS

$custom: #16183c;
$custom-light: #575472;
$custom-dark: #000000;

JSON

{
  "hex": "#16183c",
  "rgb": {
    "r": 22,
    "g": 24,
    "b": 60
  },
  "hsl": {
    "h": 236.842,
    "s": 46.341,
    "l": 16.078
  },
  "oklch": {
    "l": 0.23034,
    "c": 0.06796,
    "h": 277.2
  },
  "luminance": 0.0115
}

Semantic roles & 50–950 ramp

primary

#16183C

secondary

#73703B

accent

#CF52D6

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #16183C

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

Preview Lab → · Contrast checker → · Palette generator →