#180541#180541

#180541 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.2% C 0.103 H 288.1°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#180541
RGB	rgb(24, 5, 65)
HSL	hsl(259, 86%, 14%)
HSV	hsv(259, 92%, 25%)
CMYK	cmyk(63.1%, 92.3%, 0%, 74.5%)
CIE-LAB	lab(6.18, 26.51, -33.66)
CIE-LCH	lch(6.18, 42.84, 308.23°)
OKLab	oklab(20.24% 0.032 -0.0977)
OKLCH	oklch(20.24% 0.103 288.1)
XYZ	xyz(1.3848, 0.6843, 5.0591)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180541 #2E4105

analogous

#051041 #180541 #360541

triadic

#180541 #411805 #054118

tetradic

#180541 #410510 #2E4105 #054136

square

#180541 #410510 #2E4105 #054136

split-complementary

#180541 #413605 #104105

monochromatic

#0A021C #0A021C #180541 #2D097A #420EB3

Accessibility & contrast

On white

18.47

#180541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180541

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180541	#FFFFFF	#000000	##FFFFFF
##180541	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#001240

Tritanopia (blue-blind)

#061723

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180541;
/* rgb */ color: rgb(24, 5, 65);
/* oklch */ color: oklch(20.2% 0.103 288.1);

Tailwind

colors: {
  custom: {
    50: '#5b4876',
    500: '#180541',
    950: '#000000',
  },
}

SCSS

$custom: #180541;
$custom-light: #5b4876;
$custom-dark: #000000;

JSON

{
  "hex": "#180541",
  "rgb": {
    "r": 24,
    "g": 5,
    "b": 65
  },
  "hsl": {
    "h": 259,
    "s": 85.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20238,
    "c": 0.10276,
    "h": 288.1
  },
  "luminance": 0.00684
}

Semantic roles & 50–950 ramp

primary

#180541

secondary

#638120

accent

#FC2CBA

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #180541

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

Preview Lab → · Contrast checker → · Palette generator →