#18164D#18164D

#18164D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.098 H 277.9°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#18164D
RGB	rgb(24, 22, 77)
HSL	hsl(242, 56%, 19%)
HSV	hsv(242, 71%, 30%)
CMYK	cmyk(68.8%, 71.4%, 0%, 69.8%)
CIE-LAB	lab(11.30, 20.42, -33.68)
CIE-LCH	lch(11.30, 39.39, 301.23°)
OKLab	oklab(24.38% 0.0134 -0.097)
OKLCH	oklch(24.38% 0.098 277.9)
XYZ	xyz(2.0027, 1.3037, 7.1658)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18164D #4B4D16

analogous

#16304D #18164D #34164D

triadic

#18164D #4D1816 #164D18

tetradic

#18164D #4D1630 #4B4D16 #164D34

square

#18164D #4D1630 #4B4D16 #164D34

split-complementary

#18164D #4D3416 #304D16

monochromatic

#070718 #09081D #18164D #27247D #3631AC

Accessibility & contrast

On white

16.66

#18164D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#18164D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18164D

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18164D	#FFFFFF	#000000	##FFFFFF
##18164D	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204F

Deuteranopia (green-blind)

#001C4C

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #18164d;
/* rgb */ color: rgb(24, 22, 77);
/* oklch */ color: oklch(24.4% 0.098 277.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18164d",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 77
  },
  "hsl": {
    "h": 242.182,
    "s": 55.556,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24384,
    "c": 0.09796,
    "h": 277.9
  },
  "luminance": 0.01304
}

Semantic roles & 50–950 ramp

primary

#18164D

secondary

#82853A

accent

#DF49D9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #18164D

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

Preview Lab → · Contrast checker → · Palette generator →