#181973#181973

#181973 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.148 H 272.0°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#181973
RGB	rgb(24, 25, 115)
HSL	hsl(239, 65%, 27%)
HSV	hsv(239, 79%, 45%)
CMYK	cmyk(79.1%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(16.14, 32.71, -51.06)
CIE-LCH	lch(16.14, 60.63, 302.64°)
OKLab	oklab(29.1% 0.0051 -0.1478)
OKLCH	oklch(29.1% 0.148 272)
XYZ	xyz(3.8178, 2.1268, 16.4256)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181973 #737218

analogous

#184673 #181973 #451873

triadic

#181973 #731819 #197318

tetradic

#181973 #731846 #737218 #187345

square

#181973 #731846 #737218 #187345

split-complementary

#181973 #734518 #467318

monochromatic

#050619 #0D0E40 #181973 #2324A6 #3133D4

Accessibility & contrast

On white

14.73

#181973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#181973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181973

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181973	#FFFFFF	#000000	##FFFFFF
##181973	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C76

Deuteranopia (green-blind)

#002471

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181973;
/* rgb */ color: rgb(24, 25, 115);
/* oklch */ color: oklch(29.1% 0.148 272.0);

Tailwind

colors: {
  custom: {
    50: '#66579c',
    500: '#181973',
    950: '#000000',
  },
}

SCSS

$custom: #181973;
$custom-light: #66579c;
$custom-dark: #000000;

JSON

{
  "hex": "#181973",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 239.341,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29097,
    "c": 0.14788,
    "h": 272
  },
  "luminance": 0.02127
}

Semantic roles & 50–950 ramp

primary

#181973

secondary

#A8A73F

accent

#E73FE8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181973

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

Preview Lab → · Contrast checker → · Palette generator →