#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
RGBrgb(27, 0, 25)
HSLhsl(304, 100%, 5%)
HSVhsv(304, 100%, 11%)
CMYKcmyk(0%, 100%, 7.4%, 89.4%)
CIE-LABlab(2.74, 13.90, -8.79)
CIE-LCHlch(2.74, 16.44, 327.68°)
OKLaboklab(15.42% 0.0612 -0.0336)
OKLCHoklch(15.42% 0.07 331.2)
XYZxyz(0.6275, 0.3033, 0.9450)
Luminance0.0030 (WCAG relative)
Temperatureneutral
Familypurple

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
##1B00191.0019.801.0619.80
#FFFFFF19.801.0021.001.00
#0000001.0621.001.0021.00
##FFFFFF19.801.0021.001.00

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 →

#1B0019 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva