#16183D#16183D

#16183D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.1% C 0.070 H 277.1°. Best body text is #FFFFFF at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#16183D
RGB	rgb(22, 24, 61)
HSL	hsl(237, 47%, 16%)
HSV	hsv(237, 64%, 24%)
CMYK	cmyk(63.9%, 60.7%, 0%, 76.1%)
CIE-LAB	lab(10.26, 12.19, -24.17)
CIE-LCH	lch(10.26, 27.07, 296.78°)
OKLab	oklab(23.12% 0.0087 -0.0691)
OKLCH	oklch(23.12% 0.07 277.1)
XYZ	xyz(1.4995, 1.1607, 4.5590)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16183D #3D3B16

analogous

#162C3D #16183D #28163D

triadic

#16183D #3D1618 #183D16

tetradic

#16183D #3D162C #3D3B16 #163D28

square

#16183D #3D162C #3D3B16 #163D28

split-complementary

#16183D #3D2816 #2C3D16

monochromatic

#080916 #080916 #16183D #262A6A #363B97

Accessibility & contrast

On white

17.04

#16183D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#16183D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16183D

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16183D	#FFFFFF	#000000	##FFFFFF
##16183D	1.00	17.04	1.23	17.04
#FFFFFF	17.04	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041E3E

Deuteranopia (green-blind)

#011A3C

Tritanopia (blue-blind)

#032027

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #16183d;
/* rgb */ color: rgb(22, 24, 61);
/* oklch */ color: oklch(23.1% 0.070 277.1);

Tailwind

colors: {
  custom: {
    50: '#575473',
    500: '#16183d',
    950: '#000000',
  },
}

SCSS

$custom: #16183d;
$custom-light: #575473;
$custom-dark: #000000;

JSON

{
  "hex": "#16183d",
  "rgb": {
    "r": 22,
    "g": 24,
    "b": 61
  },
  "hsl": {
    "h": 236.923,
    "s": 46.988,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23121,
    "c": 0.06967,
    "h": 277.1
  },
  "luminance": 0.01161
}

Semantic roles & 50–950 ramp

primary

#16183D

secondary

#74713B

accent

#D051D7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #16183D

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

Preview Lab → · Contrast checker → · Palette generator →