#18164C#18164C

#18164C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.3% C 0.096 H 278.1°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#18164C
RGB	rgb(24, 22, 76)
HSL	hsl(242, 55%, 19%)
HSV	hsv(242, 71%, 30%)
CMYK	cmyk(68.4%, 71.1%, 0%, 70.2%)
CIE-LAB	lab(11.20, 20.04, -33.15)
CIE-LCH	lch(11.20, 38.73, 301.15°)
OKLab	oklab(24.28% 0.0135 -0.0955)
OKLCH	oklch(24.28% 0.096 278.1)
XYZ	xyz(1.9677, 1.2897, 6.9813)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18164C #4A4C16

analogous

#162F4C #18164C #33164C

triadic

#18164C #4C1816 #164C18

tetradic

#18164C #4C162F #4A4C16 #164C33

square

#18164C #4C162F #4A4C16 #164C33

split-complementary

#18164C #4C3316 #2F4C16

monochromatic

#070718 #09081D #18164C #27247B #3631AB

Accessibility & contrast

On white

16.69

#18164C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#18164C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18164C

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18164C	#FFFFFF	#000000	##FFFFFF
##18164C	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#001C4B

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #18164c;
/* rgb */ color: rgb(24, 22, 76);
/* oklch */ color: oklch(24.3% 0.096 278.1);

Tailwind

colors: {
  custom: {
    50: '#5c537f',
    500: '#18164c',
    950: '#000000',
  },
}

SCSS

$custom: #18164c;
$custom-light: #5c537f;
$custom-dark: #000000;

JSON

{
  "hex": "#18164c",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 76
  },
  "hsl": {
    "h": 242.222,
    "s": 55.102,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24282,
    "c": 0.09643,
    "h": 278.1
  },
  "luminance": 0.0129
}

Semantic roles & 50–950 ramp

primary

#18164C

secondary

#81843A

accent

#DE49D9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #18164C

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

Preview Lab → · Contrast checker → · Palette generator →