#1B0019#1B0019

#1B0019 is a very dark, moderate purple. Relative luminance 0.003; OKLCH L 15.4% C 0.070 H 331.2°. Best body text is #FFFFFF at 19.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B0019
RGB	rgb(27, 0, 25)
HSL	hsl(304, 100%, 5%)
HSV	hsv(304, 100%, 11%)
CMYK	cmyk(0%, 100%, 7.4%, 89.4%)
CIE-LAB	lab(2.74, 13.90, -8.79)
CIE-LCH	lch(2.74, 16.44, 327.68°)
OKLab	oklab(15.42% 0.0612 -0.0336)
OKLCH	oklch(15.42% 0.07 331.2)
XYZ	xyz(0.6275, 0.3033, 0.9450)
Luminance	0.0030 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0019 #001B02

analogous

#0F001B #1B0019 #1B000B

triadic

#1B0019 #191B00 #00191B

tetradic

#1B0019 #1B0F00 #001B02 #000B1B

square

#1B0019 #1B0F00 #001B02 #000B1B

split-complementary

#1B0019 #0B1B00 #001B0F

monochromatic

#1F001C #1F001C #1F001C #580052 #95008A

Accessibility & contrast

On white

19.80

#1B0019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#1B0019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0019

19.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0019	#FFFFFF	#000000	##FFFFFF
##1B0019	1.00	19.80	1.06	19.80
#FFFFFF	19.80	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00071A

Deuteranopia (green-blind)

#060C18

Tritanopia (blue-blind)

#1D020A

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #1b0019;
/* rgb */ color: rgb(27, 0, 25);
/* oklch */ color: oklch(15.4% 0.070 331.2);

Tailwind

colors: {
  custom: {
    50: '#564655',
    500: '#1b0019',
    950: '#000000',
  },
}

SCSS

$custom: #1b0019;
$custom-light: #564655;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0019",
  "rgb": {
    "r": 27,
    "g": 0,
    "b": 25
  },
  "hsl": {
    "h": 304.444,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.15419,
    "c": 0.06985,
    "h": 331.2
  },
  "luminance": 0.00303
}

Semantic roles & 50–950 ramp

primary

#1B0019

secondary

#126518

accent

#FF3929

background

#F5F3F4

surface

#E9E5E7

border

#C5C1C3

text

#030003

muted

#787778

Preview Lab

Preview with #1B0019

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

Preview Lab → · Contrast checker → · Palette generator →