#181868#181868

#181868 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.134 H 273.3°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#181868
RGB	rgb(24, 24, 104)
HSL	hsl(240, 63%, 25%)
HSV	hsv(240, 77%, 41%)
CMYK	cmyk(76.9%, 76.9%, 0%, 59.2%)
CIE-LAB	lab(14.66, 29.31, -46.33)
CIE-LCH	lch(14.66, 54.82, 302.32°)
OKLab	oklab(27.67% 0.0077 -0.134)
OKLCH	oklch(27.67% 0.134 273.3)
XYZ	xyz(3.2012, 1.8466, 13.2817)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181868 #686818

analogous

#184068 #181868 #401868

triadic

#181868 #681818 #186818

tetradic

#181868 #681840 #686818 #186840

square

#181868 #681840 #686818 #186840

split-complementary

#181868 #684018 #406818

monochromatic

#060619 #0D0D36 #181868 #23239A #2F2FCB

Accessibility & contrast

On white

15.34

#181868 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181868 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181868

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181868	#FFFFFF	#000000	##FFFFFF
##181868	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296A

Deuteranopia (green-blind)

#002167

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181868;
/* rgb */ color: rgb(24, 24, 104);
/* oklch */ color: oklch(27.7% 0.134 273.3);

Tailwind

colors: {
  custom: {
    50: '#635694',
    500: '#181868',
    950: '#000000',
  },
}

SCSS

$custom: #181868;
$custom-light: #635694;
$custom-dark: #000000;

JSON

{
  "hex": "#181868",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 104
  },
  "hsl": {
    "h": 240,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27673,
    "c": 0.13424,
    "h": 273.3
  },
  "luminance": 0.01847
}

Semantic roles & 50–950 ramp

primary

#181868

secondary

#9E9E3E

accent

#E642E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181868

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

Preview Lab → · Contrast checker → · Palette generator →