#181970#181970

#181970 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.144 H 272.3°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#181970
RGB	rgb(24, 25, 112)
HSL	hsl(239, 65%, 27%)
HSV	hsv(239, 79%, 44%)
CMYK	cmyk(78.6%, 77.7%, 0%, 56.1%)
CIE-LAB	lab(15.79, 31.62, -49.68)
CIE-LCH	lch(15.79, 58.89, 302.47°)
OKLab	oklab(28.75% 0.0057 -0.1438)
OKLCH	oklch(28.75% 0.144 272.3)
XYZ	xyz(3.6480, 2.0589, 15.5312)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181970 #706F18

analogous

#184570 #181970 #431870

triadic

#181970 #701819 #197018

tetradic

#181970 #701845 #706F18 #187043

square

#181970 #701845 #706F18 #187043

split-complementary

#181970 #704318 #457018

monochromatic

#050619 #0D0E3E #181970 #2324A2 #3032D3

Accessibility & contrast

On white

14.87

#181970 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181970 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181970

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181970	#FFFFFF	#000000	##FFFFFF
##181970	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C73

Deuteranopia (green-blind)

#00236E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181970;
/* rgb */ color: rgb(24, 25, 112);
/* oklch */ color: oklch(28.7% 0.144 272.3);

Tailwind

colors: {
  custom: {
    50: '#66579a',
    500: '#181970',
    950: '#000000',
  },
}

SCSS

$custom: #181970;
$custom-light: #66579a;
$custom-dark: #000000;

JSON

{
  "hex": "#181970",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 112
  },
  "hsl": {
    "h": 239.318,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28749,
    "c": 0.14391,
    "h": 272.3
  },
  "luminance": 0.02059
}

Semantic roles & 50–950 ramp

primary

#181970

secondary

#A5A43E

accent

#E640E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181970

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

Preview Lab → · Contrast checker → · Palette generator →