#180128#180128

#180128 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.5% C 0.080 H 308.0°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#180128
RGB	rgb(24, 1, 40)
HSL	hsl(275, 95%, 8%)
HSV	hsv(275, 98%, 16%)
CMYK	cmyk(40%, 97.5%, 0%, 84.3%)
CIE-LAB	lab(3.33, 17.19, -19.76)
CIE-LCH	lch(3.33, 26.20, 311.02°)
OKLab	oklab(16.53% 0.0494 -0.0632)
OKLCH	oklch(16.53% 0.08 308)
XYZ	xyz(0.7705, 0.3691, 2.0377)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180128 #112801

analogous

#050128 #180128 #280124

triadic

#180128 #281801 #012818

tetradic

#180128 #280501 #112801 #012428

square

#180128 #280501 #112801 #012428

split-complementary

#180128 #242801 #012805

monochromatic

#12011E #12011E #180128 #3C0264 #60049F

Accessibility & contrast

On white

19.56

#180128 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#180128 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180128

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180128	#FFFFFF	#000000	##FFFFFF
##180128	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B29

Deuteranopia (green-blind)

#000C27

Tritanopia (blue-blind)

#150913

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #180128;
/* rgb */ color: rgb(24, 1, 40);
/* oklch */ color: oklch(16.5% 0.080 308.0);

Tailwind

colors: {
  custom: {
    50: '#554662',
    500: '#180128',
    950: '#000000',
  },
}

SCSS

$custom: #180128;
$custom-light: #554662;
$custom-dark: #000000;

JSON

{
  "hex": "#180128",
  "rgb": {
    "r": 24,
    "g": 1,
    "b": 40
  },
  "hsl": {
    "h": 275.385,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.1653,
    "c": 0.08018,
    "h": 308
  },
  "luminance": 0.00369
}

Semantic roles & 50–950 ramp

primary

#180128

secondary

#3A6F16

accent

#FF2981

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#030005

muted

#787779

Preview Lab

Preview with #180128

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

Preview Lab → · Contrast checker → · Palette generator →