#1F021B#1F021B

#1F021B is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 16.9% C 0.067 H 333.8°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F021B
RGB	rgb(31, 2, 27)
HSL	hsl(308, 88%, 6%)
HSV	hsv(308, 94%, 12%)
CMYK	cmyk(0%, 93.5%, 12.9%, 87.8%)
CIE-LAB	lab(3.74, 16.03, -8.88)
CIE-LCH	lch(3.74, 18.32, 331.02°)
OKLab	oklab(16.95% 0.0603 -0.0296)
OKLCH	oklch(16.95% 0.067 333.8)
XYZ	xyz(0.7846, 0.4139, 1.0753)
Luminance	0.0041 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F021B #021F06

analogous

#15021F #1F021B #1F020D

triadic

#1F021B #1B1F02 #021B1F

tetradic

#1F021B #1F1502 #021F06 #020D1F

square

#1F021B #1F1502 #021F06 #020D1F

split-complementary

#1F021B #0D1F02 #021F15

monochromatic

#1D0219 #1D0219 #1F021B #58064D #92097F

Accessibility & contrast

On white

19.39

#1F021B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#1F021B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F021B

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F021B	#FFFFFF	#000000	##FFFFFF
##1F021B	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020A1C

Deuteranopia (green-blind)

#0A0F1A

Tritanopia (blue-blind)

#21040C

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #1f021b;
/* rgb */ color: rgb(31, 2, 27);
/* oklch */ color: oklch(16.9% 0.067 333.8);

Tailwind

colors: {
  custom: {
    50: '#5a4757',
    500: '#1f021b',
    950: '#000000',
  },
}

SCSS

$custom: #1f021b;
$custom-light: #5a4757;
$custom-dark: #000000;

JSON

{
  "hex": "#1f021b",
  "rgb": {
    "r": 31,
    "g": 2,
    "b": 27
  },
  "hsl": {
    "h": 308.276,
    "s": 87.879,
    "l": 6.471
  },
  "oklch": {
    "l": 0.16949,
    "c": 0.06716,
    "h": 333.8
  },
  "luminance": 0.00414
}

Semantic roles & 50–950 ramp

primary

#1F021B

secondary

#186523

accent

#FE472A

background

#F5F4F5

surface

#E9E6E9

border

#C5C2C5

text

#040003

muted

#797778

Preview Lab

Preview with #1F021B

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

Preview Lab → · Contrast checker → · Palette generator →