#18164E#18164E

#18164E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.099 H 277.7°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#18164E
RGB	rgb(24, 22, 78)
HSL	hsl(242, 56%, 20%)
HSV	hsv(242, 72%, 31%)
CMYK	cmyk(69.2%, 71.8%, 0%, 69.4%)
CIE-LAB	lab(11.40, 20.81, -34.20)
CIE-LCH	lch(11.40, 40.04, 301.32°)
OKLab	oklab(24.49% 0.0133 -0.0986)
OKLCH	oklch(24.49% 0.099 277.7)
XYZ	xyz(2.0383, 1.3179, 7.3532)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18164E #4C4E16

analogous

#16304E #18164E #34164E

triadic

#18164E #4E1816 #164E18

tetradic

#18164E #4E1630 #4C4E16 #164E34

square

#18164E #4E1630 #4C4E16 #164E34

split-complementary

#18164E #4E3416 #304E16

monochromatic

#070718 #09091E #18164E #27237E #3531AD

Accessibility & contrast

On white

16.62

#18164E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#18164E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18164E

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18164E	#FFFFFF	#000000	##FFFFFF
##18164E	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#001C4D

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #18164e;
/* rgb */ color: rgb(24, 22, 78);
/* oklch */ color: oklch(24.5% 0.099 277.7);

Tailwind

colors: {
  custom: {
    50: '#5d5380',
    500: '#18164e',
    950: '#000000',
  },
}

SCSS

$custom: #18164e;
$custom-light: #5d5380;
$custom-dark: #000000;

JSON

{
  "hex": "#18164e",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 78
  },
  "hsl": {
    "h": 242.143,
    "s": 56,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24486,
    "c": 0.09947,
    "h": 277.7
  },
  "luminance": 0.01318
}

Semantic roles & 50–950 ramp

primary

#18164E

secondary

#83853A

accent

#DF49DA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #18164E

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

Preview Lab → · Contrast checker → · Palette generator →