#1B0328#1B0328

#1B0328 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.5% C 0.076 H 311.3°. Best body text is #FFFFFF at 19.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B0328
RGB	rgb(27, 3, 40)
HSL	hsl(279, 86%, 8%)
HSV	hsv(279, 93%, 16%)
CMYK	cmyk(32.5%, 92.5%, 0%, 84.3%)
CIE-LAB	lab(4.08, 17.95, -18.58)
CIE-LCH	lch(4.08, 25.83, 314.02°)
OKLab	oklab(17.51% 0.0502 -0.0571)
OKLCH	oklch(17.51% 0.076 311.3)
XYZ	xyz(0.8675, 0.4514, 2.0485)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0328 #102803

analogous

#080328 #1B0328 #280322

triadic

#1B0328 #281B03 #03281B

tetradic

#1B0328 #280803 #102803 #032228

square

#1B0328 #280803 #102803 #032228

split-complementary

#1B0328 #222803 #032808

monochromatic

#13021C #13021C #1B0328 #410761 #680C9A

Accessibility & contrast

On white

19.26

#1B0328 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B0328 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0328

19.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0328	#FFFFFF	#000000	##FFFFFF
##1B0328	1.00	19.26	1.09	19.26
#FFFFFF	19.26	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D29

Deuteranopia (green-blind)

#000F27

Tritanopia (blue-blind)

#190A14

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1b0328;
/* rgb */ color: rgb(27, 3, 40);
/* oklch */ color: oklch(17.5% 0.076 311.3);

Tailwind

colors: {
  custom: {
    50: '#584762',
    500: '#1b0328',
    950: '#000000',
  },
}

SCSS

$custom: #1b0328;
$custom-light: #584762;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0328",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 40
  },
  "hsl": {
    "h": 278.919,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.17513,
    "c": 0.07599,
    "h": 311.3
  },
  "luminance": 0.00451
}

Semantic roles & 50–950 ramp

primary

#1B0328

secondary

#376C1B

accent

#FC2C75

background

#F5F4F5

surface

#E9E6EA

border

#C5C2C6

text

#030005

muted

#787779

Preview Lab

Preview with #1B0328

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

Preview Lab → · Contrast checker → · Palette generator →