#18022B#18022B

#18022B is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.1% C 0.081 H 304.5°. Best body text is #FFFFFF at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#18022B
RGB	rgb(24, 2, 43)
HSL	hsl(272, 91%, 9%)
HSV	hsv(272, 95%, 17%)
CMYK	cmyk(44.2%, 95.3%, 0%, 83.1%)
CIE-LAB	lab(3.72, 18.14, -21.45)
CIE-LCH	lch(3.72, 28.09, 310.22°)
OKLab	oklab(17.09% 0.0459 -0.0667)
OKLCH	oklch(17.09% 0.081 304.5)
XYZ	xyz(0.8343, 0.4120, 2.3206)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18022B #152B02

analogous

#04022B #18022B #2B022A

triadic

#18022B #2B1802 #022B18

tetradic

#18022B #2B0402 #152B02 #022A2B

square

#18022B #2B0402 #152B02 #022A2B

split-complementary

#18022B #2A2B02 #022B04

monochromatic

#10011D #10011D #18022B #390565 #5907A0

Accessibility & contrast

On white

19.40

#18022B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#18022B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18022B

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18022B	#FFFFFF	#000000	##FFFFFF
##18022B	1.00	19.40	1.08	19.40
#FFFFFF	19.40	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#000D2A

Tritanopia (blue-blind)

#140B16

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #18022b;
/* rgb */ color: rgb(24, 2, 43);
/* oklch */ color: oklch(17.1% 0.081 304.5);

Tailwind

colors: {
  custom: {
    50: '#554764',
    500: '#18022b',
    950: '#000000',
  },
}

SCSS

$custom: #18022b;
$custom-light: #554764;
$custom-dark: #000000;

JSON

{
  "hex": "#18022b",
  "rgb": {
    "r": 24,
    "g": 2,
    "b": 43
  },
  "hsl": {
    "h": 272.195,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17093,
    "c": 0.08099,
    "h": 304.5
  },
  "luminance": 0.00412
}

Semantic roles & 50–950 ramp

primary

#18022B

secondary

#417019

accent

#FF298C

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030005

muted

#78777A

Preview Lab

Preview with #18022B

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

Preview Lab → · Contrast checker → · Palette generator →