#1F031F#1F031F

#1F031F is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 17.5% C 0.068 H 328.0°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F031F
RGB	rgb(31, 3, 31)
HSL	hsl(300, 82%, 7%)
HSV	hsv(300, 90%, 12%)
CMYK	cmyk(0%, 90.3%, 0%, 87.8%)
CIE-LAB	lab(4.11, 16.88, -11.49)
CIE-LCH	lch(4.11, 20.42, 325.75°)
OKLab	oklab(17.47% 0.0578 -0.0361)
OKLCH	oklch(17.47% 0.068 328)
XYZ	xyz(0.8449, 0.4554, 1.3395)
Luminance	0.0046 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F031F #031F03

analogous

#11031F #1F031F #1F0311

triadic

#1F031F #1F1F03 #031F1F

tetradic

#1F031F #1F1103 #031F03 #03111F

square

#1F031F #1F1103 #031F03 #03111F

split-complementary

#1F031F #111F03 #031F11

monochromatic

#1C031C #1C031C #1F031F #570857 #8F0E8F

Accessibility & contrast

On white

19.25

#1F031F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1F031F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F031F

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F031F	#FFFFFF	#000000	##FFFFFF
##1F031F	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010C20

Deuteranopia (green-blind)

#09101E

Tritanopia (blue-blind)

#20060F

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1f031f;
/* rgb */ color: rgb(31, 3, 31);
/* oklch */ color: oklch(17.5% 0.068 328.0);

Tailwind

colors: {
  custom: {
    50: '#5a475a',
    500: '#1f031f',
    950: '#000000',
  },
}

SCSS

$custom: #1f031f;
$custom-light: #5a475a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f031f",
  "rgb": {
    "r": 31,
    "g": 3,
    "b": 31
  },
  "hsl": {
    "h": 300,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.17473,
    "c": 0.06809,
    "h": 328
  },
  "luminance": 0.00455
}

Semantic roles & 50–950 ramp

primary

#1F031F

secondary

#1B631B

accent

#F92F2F

background

#F5F4F5

surface

#E9E6E9

border

#C5C2C5

text

#040003

muted

#797778

Preview Lab

Preview with #1F031F

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

Preview Lab → · Contrast checker → · Palette generator →