#1F0023#1F0023

#1F0023 is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 17.1% C 0.081 H 323.5°. Best body text is #FFFFFF at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F0023
RGB	rgb(31, 0, 35)
HSL	hsl(293, 100%, 7%)
HSV	hsv(293, 100%, 14%)
CMYK	cmyk(11.4%, 100%, 0%, 86.3%)
CIE-LAB	lab(3.73, 19.49, -15.21)
CIE-LCH	lch(3.73, 24.73, 322.03°)
OKLab	oklab(17.14% 0.0649 -0.0481)
OKLCH	oklch(17.14% 0.081 323.5)
XYZ	xyz(0.8684, 0.4127, 1.6237)
Luminance	0.0041 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0023 #042300

analogous

#0E0023 #1F0023 #230016

triadic

#1F0023 #231F00 #00231F

tetradic

#1F0023 #230E00 #042300 #001623

square

#1F0023 #230E00 #042300 #001623

split-complementary

#1F0023 #162300 #00230E

monochromatic

#1B001F #1B001F #1F0023 #550060 #8B009D

Accessibility & contrast

On white

19.40

#1F0023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1F0023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0023

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0023	#FFFFFF	#000000	##FFFFFF
##1F0023	1.00	19.40	1.08	19.40
#FFFFFF	19.40	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B24

Deuteranopia (green-blind)

#040F22

Tritanopia (blue-blind)

#200510

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #1f0023;
/* rgb */ color: rgb(31, 0, 35);
/* oklch */ color: oklch(17.1% 0.081 323.5);

Tailwind

colors: {
  custom: {
    50: '#5b465e',
    500: '#1f0023',
    950: '#000000',
  },
}

SCSS

$custom: #1f0023;
$custom-light: #5b465e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0023",
  "rgb": {
    "r": 31,
    "g": 0,
    "b": 35
  },
  "hsl": {
    "h": 293.143,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.17139,
    "c": 0.08077,
    "h": 323.5
  },
  "luminance": 0.00413
}

Semantic roles & 50–950 ramp

primary

#1F0023

secondary

#1D6C13

accent

#FF2941

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#040004

muted

#797779

Preview Lab

Preview with #1F0023

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

Preview Lab → · Contrast checker → · Palette generator →