#18042B#18042B

#18042B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.5% C 0.076 H 303.4°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#18042B
RGB	rgb(24, 4, 43)
HSL	hsl(271, 83%, 9%)
HSV	hsv(271, 91%, 17%)
CMYK	cmyk(44.2%, 90.7%, 0%, 83.1%)
CIE-LAB	lab(4.11, 17.33, -20.83)
CIE-LCH	lch(4.11, 27.10, 309.76°)
OKLab	oklab(17.53% 0.042 -0.0637)
OKLCH	oklch(17.53% 0.076 303.4)
XYZ	xyz(0.8560, 0.4554, 2.3278)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18042B #172B04

analogous

#04042B #18042B #2B042B

triadic

#18042B #2B1804 #042B18

tetradic

#18042B #2B0404 #172B04 #042B2B

square

#18042B #2B0404 #172B04 #042B2B

split-complementary

#18042B #2B2B04 #042B04

monochromatic

#10031C #10031C #18042B #370963 #570E9B

Accessibility & contrast

On white

19.25

#18042B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#18042B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18042B

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18042B	#FFFFFF	#000000	##FFFFFF
##18042B	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#000E2A

Tritanopia (blue-blind)

#140D16

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #18042b;
/* rgb */ color: rgb(24, 4, 43);
/* oklch */ color: oklch(17.5% 0.076 303.4);

Tailwind

colors: {
  custom: {
    50: '#564864',
    500: '#18042b',
    950: '#000000',
  },
}

SCSS

$custom: #18042b;
$custom-light: #564864;
$custom-dark: #000000;

JSON

{
  "hex": "#18042b",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 43
  },
  "hsl": {
    "h": 270.769,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.17533,
    "c": 0.07633,
    "h": 303.4
  },
  "luminance": 0.00455
}

Semantic roles & 50–950 ramp

primary

#18042B

secondary

#446E1D

accent

#F92E91

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030005

muted

#78777A

Preview Lab

Preview with #18042B

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

Preview Lab → · Contrast checker → · Palette generator →