#16183A#16183A

#16183A is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.065 H 277.5°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#16183A
RGB	rgb(22, 24, 58)
HSL	hsl(237, 45%, 16%)
HSV	hsv(237, 62%, 23%)
CMYK	cmyk(62.1%, 58.6%, 0%, 77.3%)
CIE-LAB	lab(10.02, 11.00, -22.41)
CIE-LCH	lch(10.02, 24.97, 296.14°)
OKLab	oklab(22.86% 0.0084 -0.064)
OKLCH	oklch(22.86% 0.065 277.5)
XYZ	xyz(1.4210, 1.1292, 4.1453)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16183A #3A3816

analogous

#162A3A #16183A #26163A

triadic

#16183A #3A1618 #183A16

tetradic

#16183A #3A162A #3A3816 #163A26

square

#16183A #3A162A #3A3816 #163A26

split-complementary

#16183A #3A2616 #2A3A16

monochromatic

#080916 #080916 #16183A #272A66 #383D93

Accessibility & contrast

On white

17.13

#16183A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#16183A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16183A

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16183A	#FFFFFF	#000000	##FFFFFF
##16183A	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071D3B

Deuteranopia (green-blind)

#041A39

Tritanopia (blue-blind)

#062026

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #16183a;
/* rgb */ color: rgb(22, 24, 58);
/* oklch */ color: oklch(22.9% 0.065 277.5);

Tailwind

colors: {
  custom: {
    50: '#575470',
    500: '#16183a',
    950: '#000000',
  },
}

SCSS

$custom: #16183a;
$custom-light: #575470;
$custom-dark: #000000;

JSON

{
  "hex": "#16183a",
  "rgb": {
    "r": 22,
    "g": 24,
    "b": 58
  },
  "hsl": {
    "h": 236.667,
    "s": 45,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22864,
    "c": 0.06452,
    "h": 277.5
  },
  "luminance": 0.01129
}

Semantic roles & 50–950 ramp

primary

#16183A

secondary

#716E3B

accent

#CD53D5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #16183A

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

Preview Lab → · Contrast checker → · Palette generator →