#18042A#18042A

#18042A is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.4% C 0.075 H 304.3°. Best body text is #FFFFFF at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#18042A
RGB	rgb(24, 4, 42)
HSL	hsl(272, 83%, 9%)
HSV	hsv(272, 90%, 16%)
CMYK	cmyk(42.9%, 90.5%, 0%, 83.5%)
CIE-LAB	lab(4.05, 16.87, -20.17)
CIE-LCH	lch(4.05, 26.30, 309.91°)
OKLab	oklab(17.43% 0.0423 -0.062)
OKLCH	oklch(17.43% 0.075 304.3)
XYZ	xyz(0.8379, 0.4482, 2.2324)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18042A #162A04

analogous

#05042A #18042A #2A0429

triadic

#18042A #2A1804 #042A18

tetradic

#18042A #2A0504 #162A04 #04292A

square

#18042A #2A0504 #162A04 #04292A

split-complementary

#18042A #292A04 #042A05

monochromatic

#10031C #10031C #18042A #380962 #580F9A

Accessibility & contrast

On white

19.27

#18042A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#18042A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18042A

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18042A	#FFFFFF	#000000	##FFFFFF
##18042A	1.00	19.27	1.09	19.27
#FFFFFF	19.27	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2B

Deuteranopia (green-blind)

#000E29

Tritanopia (blue-blind)

#140C16

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #18042a;
/* rgb */ color: rgb(24, 4, 42);
/* oklch */ color: oklch(17.4% 0.075 304.3);

Tailwind

colors: {
  custom: {
    50: '#554864',
    500: '#18042a',
    950: '#000000',
  },
}

SCSS

$custom: #18042a;
$custom-light: #554864;
$custom-dark: #000000;

JSON

{
  "hex": "#18042a",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 42
  },
  "hsl": {
    "h": 271.579,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.17429,
    "c": 0.07504,
    "h": 304.3
  },
  "luminance": 0.00448
}

Semantic roles & 50–950 ramp

primary

#18042A

secondary

#436D1D

accent

#F92F8F

background

#F5F4F5

surface

#E9E6EA

border

#C5C2C6

text

#030005

muted

#787779

Preview Lab

Preview with #18042A

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

Preview Lab → · Contrast checker → · Palette generator →