#181979#181979

#181979 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.156 H 271.4°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#181979
RGB	rgb(24, 25, 121)
HSL	hsl(239, 67%, 28%)
HSV	hsv(239, 80%, 47%)
CMYK	cmyk(80.2%, 79.3%, 0%, 52.5%)
CIE-LAB	lab(16.84, 34.85, -53.75)
CIE-LCH	lch(16.84, 64.06, 302.95°)
OKLab	oklab(29.8% 0.0039 -0.1556)
OKLCH	oklch(29.8% 0.156 271.4)
XYZ	xyz(4.1743, 2.2695, 18.3035)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181979 #797818

analogous

#184979 #181979 #471879

triadic

#181979 #791819 #197918

tetradic

#181979 #791849 #797818 #187947

square

#181979 #791849 #797818 #187947

split-complementary

#181979 #794718 #497918

monochromatic

#05051A #0E0E46 #181979 #2224AC #3536D7

Accessibility & contrast

On white

14.44

#181979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#181979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181979

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181979	#FFFFFF	#000000	##FFFFFF
##181979	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7C

Deuteranopia (green-blind)

#002577

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #181979;
/* rgb */ color: rgb(24, 25, 121);
/* oklch */ color: oklch(29.8% 0.156 271.4);

Tailwind

colors: {
  custom: {
    50: '#6857a1',
    500: '#181979',
    950: '#000000',
  },
}

SCSS

$custom: #181979;
$custom-light: #6857a1;
$custom-dark: #000000;

JSON

{
  "hex": "#181979",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 121
  },
  "hsl": {
    "h": 239.381,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29801,
    "c": 0.15568,
    "h": 271.4
  },
  "luminance": 0.0227
}

Semantic roles & 50–950 ramp

primary

#181979

secondary

#AEAD3F

accent

#E83EEA

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #181979

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

Preview Lab → · Contrast checker → · Palette generator →