#180431#180431

#180431 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.2% C 0.084 H 298.4°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#180431
RGB	rgb(24, 4, 49)
HSL	hsl(267, 85%, 10%)
HSV	hsv(267, 92%, 19%)
CMYK	cmyk(51%, 91.8%, 0%, 80.8%)
CIE-LAB	lab(4.54, 20.07, -24.66)
CIE-LCH	lch(4.54, 31.79, 309.15°)
OKLab	oklab(18.18% 0.0399 -0.0739)
OKLCH	oklch(18.18% 0.084 298.4)
XYZ	xyz(0.9743, 0.5028, 2.9508)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 5.09

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180431 #1D3104

analogous

#040631 #180431 #2E0431

triadic

#180431 #311804 #043118

tetradic

#180431 #310406 #1D3104 #04312E

square

#180431 #310406 #1D3104 #04312E

split-complementary

#180431 #312E04 #063104

monochromatic

#0E021C #0E021C #180431 #34096A #4F0DA2

Accessibility & contrast

On white

19.08

#180431 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#180431 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180431

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180431	#FFFFFF	#000000	##FFFFFF
##180431	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001032

Deuteranopia (green-blind)

#000F30

Tritanopia (blue-blind)

#120F1A

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #180431;
/* rgb */ color: rgb(24, 4, 49);
/* oklch */ color: oklch(18.2% 0.084 298.4);

Tailwind

colors: {
  custom: {
    50: '#574769',
    500: '#180431',
    950: '#000000',
  },
}

SCSS

$custom: #180431;
$custom-light: #574769;
$custom-dark: #000000;

JSON

{
  "hex": "#180431",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 49
  },
  "hsl": {
    "h": 266.667,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.18181,
    "c": 0.08397,
    "h": 298.4
  },
  "luminance": 0.00503
}

Semantic roles & 50–950 ramp

primary

#180431

secondary

#4D731D

accent

#FB2D9F

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #180431

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

Preview Lab → · Contrast checker → · Palette generator →