#16183E#16183E

#16183E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.2% C 0.071 H 277.0°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#16183E
RGB	rgb(22, 24, 62)
HSL	hsl(237, 48%, 16%)
HSV	hsv(237, 65%, 24%)
CMYK	cmyk(64.5%, 61.3%, 0%, 75.7%)
CIE-LAB	lab(10.35, 12.60, -24.75)
CIE-LCH	lch(10.35, 27.77, 296.98°)
OKLab	oklab(23.21% 0.0087 -0.0708)
OKLCH	oklch(23.21% 0.071 277)
XYZ	xyz(1.5267, 1.1715, 4.7022)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16183E #3E3C16

analogous

#162C3E #16183E #28163E

triadic

#16183E #3E1618 #183E16

tetradic

#16183E #3E162C #3E3C16 #163E28

square

#16183E #3E162C #3E3C16 #163E28

split-complementary

#16183E #3E2816 #2C3E16

monochromatic

#080917 #080917 #16183E #26296B #363B98

Accessibility & contrast

On white

17.01

#16183E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#16183E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16183E

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16183E	#FFFFFF	#000000	##FFFFFF
##16183E	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031E3F

Deuteranopia (green-blind)

#001B3D

Tritanopia (blue-blind)

#032128

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #16183e;
/* rgb */ color: rgb(22, 24, 62);
/* oklch */ color: oklch(23.2% 0.071 277.0);

Tailwind

colors: {
  custom: {
    50: '#585473',
    500: '#16183e',
    950: '#000000',
  },
}

SCSS

$custom: #16183e;
$custom-light: #585473;
$custom-dark: #000000;

JSON

{
  "hex": "#16183e",
  "rgb": {
    "r": 22,
    "g": 24,
    "b": 62
  },
  "hsl": {
    "h": 237,
    "s": 47.619,
    "l": 16.471
  },
  "oklch": {
    "l": 0.23208,
    "c": 0.07136,
    "h": 277
  },
  "luminance": 0.01172
}

Semantic roles & 50–950 ramp

primary

#16183E

secondary

#75723B

accent

#D051D7

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #16183E

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

Preview Lab → · Contrast checker → · Palette generator →