#181764#181764

#181764 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.130 H 274.0°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#181764
RGB	rgb(24, 23, 100)
HSL	hsl(241, 63%, 24%)
HSV	hsv(241, 77%, 39%)
CMYK	cmyk(76%, 77%, 0%, 60.8%)
CIE-LAB	lab(13.98, 28.47, -44.80)
CIE-LCH	lch(13.98, 53.09, 302.44°)
OKLab	oklab(27.06% 0.009 -0.1296)
OKLCH	oklch(27.06% 0.13 274)
XYZ	xyz(2.9826, 1.7268, 12.2302)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181764 #636417

analogous

#173D64 #181764 #3F1764

triadic

#181764 #641817 #176418

tetradic

#181764 #64173D #636417 #17643F

square

#181764 #64173D #636417 #17643F

split-complementary

#181764 #643F17 #3D6417

monochromatic

#060619 #0C0C32 #181764 #242296 #302EC8

Accessibility & contrast

On white

15.61

#181764 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#181764 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181764

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181764	#FFFFFF	#000000	##FFFFFF
##181764	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002766

Deuteranopia (green-blind)

#002063

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181764;
/* rgb */ color: rgb(24, 23, 100);
/* oklch */ color: oklch(27.1% 0.130 274.0);

Tailwind

colors: {
  custom: {
    50: '#625591',
    500: '#181764',
    950: '#000000',
  },
}

SCSS

$custom: #181764;
$custom-light: #625591;
$custom-dark: #000000;

JSON

{
  "hex": "#181764",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 100
  },
  "hsl": {
    "h": 240.779,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.27055,
    "c": 0.12989,
    "h": 274
  },
  "luminance": 0.01727
}

Semantic roles & 50–950 ramp

primary

#181764

secondary

#999A3C

accent

#E642E4

background

#F6F4F9

surface

#EBE8F1

border

#C6C4CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181764

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

Preview Lab → · Contrast checker → · Palette generator →