#181453#181453

#181453 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.110 H 277.5°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#181453
RGB	rgb(24, 20, 83)
HSL	hsl(244, 61%, 20%)
HSV	hsv(244, 76%, 33%)
CMYK	cmyk(71.1%, 75.9%, 0%, 67.5%)
CIE-LAB	lab(11.41, 24.09, -37.62)
CIE-LCH	lch(11.41, 44.67, 302.64°)
OKLab	oklab(24.65% 0.0143 -0.1086)
OKLCH	oklch(24.65% 0.11 277.5)
XYZ	xyz(2.1877, 1.3189, 8.3212)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181453 #4F5314

analogous

#142F53 #181453 #381453

triadic

#181453 #531814 #145318

tetradic

#181453 #53142F #4F5314 #145338

square

#181453 #53142F #4F5314 #145338

split-complementary

#181453 #533814 #2F5314

monochromatic

#070619 #0A0822 #181453 #262084 #352CB6

Accessibility & contrast

On white

16.62

#181453 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#181453 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181453

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181453	#FFFFFF	#000000	##FFFFFF
##181453	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)

#002155

Deuteranopia (green-blind)

#001C52

Tritanopia (blue-blind)

#002531

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181453;
/* rgb */ color: rgb(24, 20, 83);
/* oklch */ color: oklch(24.6% 0.110 277.5);

Tailwind

colors: {
  custom: {
    50: '#5e5284',
    500: '#181453',
    950: '#000000',
  },
}

SCSS

$custom: #181453;
$custom-light: #5e5284;
$custom-dark: #000000;

JSON

{
  "hex": "#181453",
  "rgb": {
    "r": 24,
    "g": 20,
    "b": 83
  },
  "hsl": {
    "h": 243.81,
    "s": 61.165,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24649,
    "c": 0.10953,
    "h": 277.5
  },
  "luminance": 0.01319
}

Semantic roles & 50–950 ramp

primary

#181453

secondary

#868B38

accent

#E444DA

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181453

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

Preview Lab → · Contrast checker → · Palette generator →