#1F001B#1F001B

#1F001B is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 16.5% C 0.074 H 333.7°. Best body text is #FFFFFF at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F001B
RGB	rgb(31, 0, 27)
HSL	hsl(308, 100%, 6%)
HSV	hsv(308, 100%, 12%)
CMYK	cmyk(0%, 100%, 12.9%, 87.8%)
CIE-LAB	lab(3.35, 16.83, -9.46)
CIE-LCH	lch(3.35, 19.30, 330.67°)
OKLab	oklab(16.47% 0.0661 -0.0327)
OKLCH	oklch(16.47% 0.074 333.7)
XYZ	xyz(0.7629, 0.3705, 1.0680)
Luminance	0.0037 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F001B #001F04

analogous

#13001F #1F001B #1F000B

triadic

#1F001B #1B1F00 #001B1F

tetradic

#1F001B #1F1300 #001F04 #000B1F

square

#1F001B #1F1300 #001F04 #000B1F

split-complementary

#1F001B #0B1F00 #001F13

monochromatic

#1F001B #1F001B #1F001B #5C0050 #990086

Accessibility & contrast

On white

19.55

#1F001B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#1F001B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F001B

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F001B	#FFFFFF	#000000	##FFFFFF
##1F001B	1.00	19.55	1.07	19.55
#FFFFFF	19.55	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00091C

Deuteranopia (green-blind)

#080E1A

Tritanopia (blue-blind)

#21020B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #1f001b;
/* rgb */ color: rgb(31, 0, 27);
/* oklch */ color: oklch(16.5% 0.074 333.7);

Tailwind

colors: {
  custom: {
    50: '#5a4657',
    500: '#1f001b',
    950: '#000000',
  },
}

SCSS

$custom: #1f001b;
$custom-light: #5a4657;
$custom-dark: #000000;

JSON

{
  "hex": "#1f001b",
  "rgb": {
    "r": 31,
    "g": 0,
    "b": 27
  },
  "hsl": {
    "h": 307.742,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.16469,
    "c": 0.0737,
    "h": 333.7
  },
  "luminance": 0.0037
}

Semantic roles & 50–950 ramp

primary

#1F001B

secondary

#12681E

accent

#FF4429

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#040003

muted

#797778

Preview Lab

Preview with #1F001B

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

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