#16173E#16173E

#16173E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.073 H 277.9°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#16173E
RGB	rgb(22, 23, 62)
HSL	hsl(239, 48%, 16%)
HSV	hsv(239, 65%, 24%)
CMYK	cmyk(64.5%, 62.9%, 0%, 75.7%)
CIE-LAB	lab(10.04, 13.36, -25.24)
CIE-LCH	lch(10.04, 28.56, 297.89°)
OKLab	oklab(22.98% 0.01 -0.0723)
OKLCH	oklch(22.98% 0.073 277.9)
XYZ	xyz(1.5065, 1.1311, 4.6954)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16173E #3E3D16

analogous

#162B3E #16173E #29163E

triadic

#16173E #3E1617 #173E16

tetradic

#16173E #3E162B #3E3D16 #163E29

square

#16173E #3E162B #3E3D16 #163E29

split-complementary

#16173E #3E2916 #2B3E16

monochromatic

#080817 #080817 #16173E #26286B #363998

Accessibility & contrast

On white

17.13

#16173E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#16173E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16173E

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16173E	#FFFFFF	#000000	##FFFFFF
##16173E	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)

#011D3F

Deuteranopia (green-blind)

#001A3D

Tritanopia (blue-blind)

#032027

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #16173e;
/* rgb */ color: rgb(22, 23, 62);
/* oklch */ color: oklch(23.0% 0.073 277.9);

Tailwind

colors: {
  custom: {
    50: '#585373',
    500: '#16173e',
    950: '#000000',
  },
}

SCSS

$custom: #16173e;
$custom-light: #585373;
$custom-dark: #000000;

JSON

{
  "hex": "#16173e",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 62
  },
  "hsl": {
    "h": 238.5,
    "s": 47.619,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22979,
    "c": 0.07299,
    "h": 277.9
  },
  "luminance": 0.01131
}

Semantic roles & 50–950 ramp

primary

#16173E

secondary

#75743B

accent

#D451D7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #16173E

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

Preview Lab → · Contrast checker → · Palette generator →