#18012B#18012B

#18012B is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.9% C 0.083 H 305.1°. Best body text is #FFFFFF at 19.48:1 contrast (WCAG AA passes).

Color values

HEX	#18012B
RGB	rgb(24, 1, 43)
HSL	hsl(273, 95%, 9%)
HSV	hsv(273, 98%, 17%)
CMYK	cmyk(44.2%, 97.7%, 0%, 83.1%)
CIE-LAB	lab(3.53, 18.54, -21.76)
CIE-LCH	lch(3.53, 28.58, 310.43°)
OKLab	oklab(16.86% 0.048 -0.0683)
OKLCH	oklch(16.86% 0.083 305.1)
XYZ	xyz(0.8235, 0.3903, 2.3170)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18012B #142B01

analogous

#03012B #18012B #2B0129

triadic

#18012B #2B1801 #012B18

tetradic

#18012B #2B0301 #142B01 #01292B

square

#18012B #2B0301 #142B01 #01292B

split-complementary

#18012B #292B01 #012B03

monochromatic

#11011E #11011E #18012B #390267 #5B04A3

Accessibility & contrast

On white

19.48

#18012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#18012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18012B

19.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18012B	#FFFFFF	#000000	##FFFFFF
##18012B	1.00	19.48	1.08	19.48
#FFFFFF	19.48	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2C

Deuteranopia (green-blind)

#000D2A

Tritanopia (blue-blind)

#140A15

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #18012b;
/* rgb */ color: rgb(24, 1, 43);
/* oklch */ color: oklch(16.9% 0.083 305.1);

Tailwind

colors: {
  custom: {
    50: '#554664',
    500: '#18012b',
    950: '#000000',
  },
}

SCSS

$custom: #18012b;
$custom-light: #554664;
$custom-dark: #000000;

JSON

{
  "hex": "#18012b",
  "rgb": {
    "r": 24,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 272.857,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.16864,
    "c": 0.08347,
    "h": 305.1
  },
  "luminance": 0.0039
}

Semantic roles & 50–950 ramp

primary

#18012B

secondary

#407117

accent

#FF298A

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#030005

muted

#78777A

Preview Lab

Preview with #18012B

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

Preview Lab → · Contrast checker → · Palette generator →