#1F072A#1F072A

#1F072A is a very dark, moderate purple. Relative luminance 0.006; OKLCH L 19.2% C 0.071 H 313.3°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F072A
RGB	rgb(31, 7, 42)
HSL	hsl(281, 71%, 10%)
HSV	hsv(281, 83%, 16%)
CMYK	cmyk(26.2%, 83.3%, 0%, 83.5%)
CIE-LAB	lab(5.51, 18.94, -17.81)
CIE-LCH	lch(5.51, 25.99, 316.76°)
OKLab	oklab(19.16% 0.0488 -0.0517)
OKLCH	oklch(19.16% 0.071 313.3)
XYZ	xyz(1.0589, 0.6105, 2.2521)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F072A #122A07

analogous

#0E072A #1F072A #2A0724

triadic

#1F072A #2A1F07 #072A1F

tetradic

#1F072A #2A0E07 #122A07 #07242A

square

#1F072A #2A0E07 #122A07 #07242A

split-complementary

#1F072A #242A07 #072A0E

monochromatic

#13041A #13041A #1F072A #46105E #6C1893

Accessibility & contrast

On white

18.72

#1F072A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1F072A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F072A

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F072A	#FFFFFF	#000000	##FFFFFF
##1F072A	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112B

Deuteranopia (green-blind)

#051329

Tritanopia (blue-blind)

#1E0E17

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1f072a;
/* rgb */ color: rgb(31, 7, 42);
/* oklch */ color: oklch(19.2% 0.071 313.3);

Tailwind

colors: {
  custom: {
    50: '#5c4963',
    500: '#1f072a',
    950: '#000000',
  },
}

SCSS

$custom: #1f072a;
$custom-light: #5c4963;
$custom-dark: #000000;

JSON

{
  "hex": "#1f072a",
  "rgb": {
    "r": 31,
    "g": 7,
    "b": 42
  },
  "hsl": {
    "h": 281.143,
    "s": 71.429,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19164,
    "c": 0.07109,
    "h": 313.3
  },
  "luminance": 0.0061
}

Semantic roles & 50–950 ramp

primary

#1F072A

secondary

#396A23

accent

#EE3A72

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#040105

muted

#797779

Preview Lab

Preview with #1F072A

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

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