#1F022A#1F022A

#1F022A is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.2% C 0.082 H 315.2°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F022A
RGB	rgb(31, 2, 42)
HSL	hsl(284, 91%, 9%)
HSV	hsv(284, 95%, 16%)
CMYK	cmyk(26.2%, 95.2%, 0%, 83.5%)
CIE-LAB	lab(4.53, 21.22, -19.35)
CIE-LCH	lch(4.53, 28.72, 317.64°)
OKLab	oklab(18.22% 0.0584 -0.058)
OKLCH	oklch(18.22% 0.082 315.2)
XYZ	xyz(1.0046, 0.5019, 2.2340)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F022A #0D2A02

analogous

#0B022A #1F022A #2A0221

triadic

#1F022A #2A1F02 #022A1F

tetradic

#1F022A #2A0B02 #0D2A02 #02212A

square

#1F022A #2A0B02 #0D2A02 #02212A

split-complementary

#1F022A #212A02 #022A0B

monochromatic

#16011D #16011D #1F022A #4A0564 #75089F

Accessibility & contrast

On white

19.08

#1F022A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1F022A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F022A

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F022A	#FFFFFF	#000000	##FFFFFF
##1F022A	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2B

Deuteranopia (green-blind)

#011029

Tritanopia (blue-blind)

#1E0A15

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1f022a;
/* rgb */ color: rgb(31, 2, 42);
/* oklch */ color: oklch(18.2% 0.082 315.2);

Tailwind

colors: {
  custom: {
    50: '#5c4764',
    500: '#1f022a',
    950: '#000000',
  },
}

SCSS

$custom: #1f022a;
$custom-light: #5c4764;
$custom-dark: #000000;

JSON

{
  "hex": "#1f022a",
  "rgb": {
    "r": 31,
    "g": 2,
    "b": 42
  },
  "hsl": {
    "h": 283.5,
    "s": 90.909,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18216,
    "c": 0.08226,
    "h": 315.2
  },
  "luminance": 0.00502
}

Semantic roles & 50–950 ramp

primary

#1F022A

secondary

#306F19

accent

#FF2964

background

#F5F4F5

surface

#E9E6EA

border

#C5C2C6

text

#040005

muted

#797779

Preview Lab

Preview with #1F022A

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

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