#181373#181373

#181373 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.154 H 272.8°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#181373
RGB	rgb(24, 19, 115)
HSL	hsl(243, 72%, 26%)
HSV	hsv(243, 83%, 45%)
CMYK	cmyk(79.1%, 83.5%, 0%, 54.9%)
CIE-LAB	lab(14.94, 36.15, -53.04)
CIE-LCH	lch(14.94, 64.19, 304.27°)
OKLab	oklab(28.25% 0.0075 -0.1535)
OKLCH	oklch(28.25% 0.154 272.8)
XYZ	xyz(3.7030, 1.8973, 16.3874)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181373 #6E7313

analogous

#133E73 #181373 #481373

triadic

#181373 #731813 #137318

tetradic

#181373 #73133E #6E7313 #137348

square

#181373 #73133E #6E7313 #137348

split-complementary

#181373 #734813 #3E7313

monochromatic

#05041A #0D0A3E #181373 #231CA8 #2F25DB

Accessibility & contrast

On white

15.22

#181373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#181373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181373

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181373	#FFFFFF	#000000	##FFFFFF
##181373	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002171

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181373;
/* rgb */ color: rgb(24, 19, 115);
/* oklch */ color: oklch(28.3% 0.154 272.8);

Tailwind

colors: {
  custom: {
    50: '#67539c',
    500: '#181373',
    950: '#000000',
  },
}

SCSS

$custom: #181373;
$custom-light: #67539c;
$custom-dark: #000000;

JSON

{
  "hex": "#181373",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 115
  },
  "hsl": {
    "h": 243.125,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28254,
    "c": 0.15366,
    "h": 272.8
  },
  "luminance": 0.01898
}

Semantic roles & 50–950 ramp

primary

#181373

secondary

#A4AA38

accent

#EE39E5

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181373

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

Preview Lab → · Contrast checker → · Palette generator →