#1F032A#1F032A

#1F032A is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.4% C 0.080 H 314.8°. Best body text is #FFFFFF at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#1F032A
RGB	rgb(31, 3, 42)
HSL	hsl(283, 87%, 9%)
HSV	hsv(283, 93%, 16%)
CMYK	cmyk(26.2%, 92.9%, 0%, 83.5%)
CIE-LAB	lab(4.73, 20.77, -19.04)
CIE-LCH	lch(4.73, 28.18, 317.49°)
OKLab	oklab(18.41% 0.0563 -0.0566)
OKLCH	oklch(18.41% 0.08 314.8)
XYZ	xyz(1.0155, 0.5236, 2.2376)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F032A #0E2A03

analogous

#0C032A #1F032A #2A0322

triadic

#1F032A #2A1F03 #032A1F

tetradic

#1F032A #2A0C03 #0E2A03 #03222A

square

#1F032A #2A0C03 #0E2A03 #03222A

split-complementary

#1F032A #222A03 #032A0C

monochromatic

#15021D #15021D #1F032A #490763 #730B9C

Accessibility & contrast

On white

19.01

#1F032A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F032A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F032A

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F032A	#FFFFFF	#000000	##FFFFFF
##1F032A	1.00	19.01	1.10	19.01
#FFFFFF	19.01	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2B

Deuteranopia (green-blind)

#021129

Tritanopia (blue-blind)

#1E0B15

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1f032a;
/* rgb */ color: rgb(31, 3, 42);
/* oklch */ color: oklch(18.4% 0.080 314.8);

Tailwind

colors: {
  custom: {
    50: '#5c4764',
    500: '#1f032a',
    950: '#000000',
  },
}

SCSS

$custom: #1f032a;
$custom-light: #5c4764;
$custom-dark: #000000;

JSON

{
  "hex": "#1f032a",
  "rgb": {
    "r": 31,
    "g": 3,
    "b": 42
  },
  "hsl": {
    "h": 283.077,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18414,
    "c": 0.07988,
    "h": 314.8
  },
  "luminance": 0.00524
}

Semantic roles & 50–950 ramp

primary

#1F032A

secondary

#326E1B

accent

#FD2B66

background

#F5F4F5

surface

#E9E6EA

border

#C5C2C6

text

#040005

muted

#797779

Preview Lab

Preview with #1F032A

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

Preview Lab → · Contrast checker → · Palette generator →