#180439#180439

#180439 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.1% C 0.094 H 292.9°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#180439
RGB	rgb(24, 4, 57)
HSL	hsl(263, 87%, 12%)
HSV	hsv(263, 93%, 22%)
CMYK	cmyk(57.9%, 93%, 0%, 77.6%)
CIE-LAB	lab(5.21, 23.66, -29.48)
CIE-LCH	lch(5.21, 37.80, 308.75°)
OKLab	oklab(19.1% 0.0366 -0.0867)
OKLCH	oklch(19.1% 0.094 292.9)
XYZ	xyz(1.1584, 0.5764, 3.9203)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180439 #253904

analogous

#040A39 #180439 #330439

triadic

#180439 #391804 #043918

tetradic

#180439 #39040A #253904 #043933

square

#180439 #39040A #253904 #043933

split-complementary

#180439 #393304 #0A3904

monochromatic

#0C021D #0C021D #180439 #300872 #480CAB

Accessibility & contrast

On white

18.83

#180439 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180439 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180439

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180439	#FFFFFF	#000000	##FFFFFF
##180439	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123A

Deuteranopia (green-blind)

#001038

Tritanopia (blue-blind)

#0D131E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180439;
/* rgb */ color: rgb(24, 4, 57);
/* oklch */ color: oklch(19.1% 0.094 292.9);

Tailwind

colors: {
  custom: {
    50: '#594770',
    500: '#180439',
    950: '#000000',
  },
}

SCSS

$custom: #180439;
$custom-light: #594770;
$custom-dark: #000000;

JSON

{
  "hex": "#180439",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 57
  },
  "hsl": {
    "h": 262.642,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19103,
    "c": 0.0941,
    "h": 292.9
  },
  "luminance": 0.00576
}

Semantic roles & 50–950 ramp

primary

#180439

secondary

#587B1E

accent

#FD2BAE

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180439

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

Preview Lab → · Contrast checker → · Palette generator →