#181767#181767

#181767 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.134 H 273.6°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#181767
RGB	rgb(24, 23, 103)
HSL	hsl(241, 63%, 25%)
HSV	hsv(241, 78%, 40%)
CMYK	cmyk(76.7%, 77.7%, 0%, 59.6%)
CIE-LAB	lab(14.32, 29.58, -46.23)
CIE-LCH	lch(14.32, 54.88, 302.61°)
OKLab	oklab(27.4% 0.0084 -0.1337)
OKLCH	oklch(27.4% 0.134 273.6)
XYZ	xyz(3.1304, 1.7859, 13.0091)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181767 #666717

analogous

#173E67 #181767 #401767

triadic

#181767 #671817 #176718

tetradic

#181767 #67173E #666717 #176740

square

#181767 #67173E #666717 #176740

split-complementary

#181767 #674017 #3E6717

monochromatic

#060619 #0C0C35 #181767 #242299 #2F2DCB

Accessibility & contrast

On white

15.47

#181767 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#181767 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181767

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181767	#FFFFFF	#000000	##FFFFFF
##181767	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002869

Deuteranopia (green-blind)

#002066

Tritanopia (blue-blind)

#002E3D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181767;
/* rgb */ color: rgb(24, 23, 103);
/* oklch */ color: oklch(27.4% 0.134 273.6);

Tailwind

colors: {
  custom: {
    50: '#635593',
    500: '#181767',
    950: '#000000',
  },
}

SCSS

$custom: #181767;
$custom-light: #635593;
$custom-dark: #000000;

JSON

{
  "hex": "#181767",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 103
  },
  "hsl": {
    "h": 240.75,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27397,
    "c": 0.13399,
    "h": 273.6
  },
  "luminance": 0.01786
}

Semantic roles & 50–950 ramp

primary

#181767

secondary

#9C9D3D

accent

#E741E4

background

#F6F5F9

surface

#EBE8F1

border

#C6C4CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181767

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

Preview Lab → · Contrast checker → · Palette generator →