#180423#180423

#180423 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.7% C 0.066 H 311.6°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#180423
RGB	rgb(24, 4, 35)
HSL	hsl(279, 79%, 8%)
HSV	hsv(279, 89%, 14%)
CMYK	cmyk(31.4%, 88.6%, 0%, 86.3%)
CIE-LAB	lab(3.63, 13.97, -15.43)
CIE-LCH	lch(3.63, 20.81, 312.15°)
OKLab	oklab(16.74% 0.0439 -0.0494)
OKLCH	oklch(16.74% 0.066 311.6)
XYZ	xyz(0.7234, 0.4024, 1.6293)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180423 #0F2304

analogous

#090423 #180423 #23041E

triadic

#180423 #231804 #042318

tetradic

#180423 #230904 #0F2304 #041E23

square

#180423 #230904 #0F2304 #041E23

split-complementary

#180423 #1E2304 #042309

monochromatic

#13031B #13031B #180423 #3E0A5A #631191

Accessibility & contrast

On white

19.44

#180423 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#180423 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180423

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180423	#FFFFFF	#000000	##FFFFFF
##180423	1.00	19.44	1.08	19.44
#FFFFFF	19.44	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C24

Deuteranopia (green-blind)

#020D22

Tritanopia (blue-blind)

#170A12

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #180423;
/* rgb */ color: rgb(24, 4, 35);
/* oklch */ color: oklch(16.7% 0.066 311.6);

Tailwind

colors: {
  custom: {
    50: '#54485e',
    500: '#180423',
    950: '#000000',
  },
}

SCSS

$custom: #180423;
$custom-light: #54485e;
$custom-dark: #000000;

JSON

{
  "hex": "#180423",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 35
  },
  "hsl": {
    "h": 278.71,
    "s": 79.487,
    "l": 7.647
  },
  "oklch": {
    "l": 0.16739,
    "c": 0.06609,
    "h": 311.6
  },
  "luminance": 0.00402
}

Semantic roles & 50–950 ramp

primary

#180423

secondary

#37661D

accent

#F63277

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#030004

muted

#787779

Preview Lab

Preview with #180423

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

Preview Lab → · Contrast checker → · Palette generator →