#1F0937#1F0937

#1F0937 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.7% C 0.084 H 301.1°. Best body text is #FFFFFF at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#1F0937
RGB	rgb(31, 9, 55)
HSL	hsl(269, 72%, 13%)
HSV	hsv(269, 84%, 22%)
CMYK	cmyk(43.6%, 83.6%, 0%, 78.4%)
CIE-LAB	lab(6.89, 22.50, -25.26)
CIE-LCH	lch(6.89, 33.83, 311.70°)
OKLab	oklab(20.7% 0.0436 -0.0723)
OKLCH	oklch(20.7% 0.084 301.1)
XYZ	xyz(1.3522, 0.7625, 3.6896)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0937 #213709

analogous

#090A37 #1F0937 #360937

triadic

#1F0937 #371F09 #09371F

tetradic

#1F0937 #37090A #213709 #093736

square

#1F0937 #37090A #213709 #093736

split-complementary

#1F0937 #373609 #0A3709

monochromatic

#0F041A #0F041A #1F0937 #3D126C #5A1AA0

Accessibility & contrast

On white

18.22

#1F0937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1F0937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0937

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0937	#FFFFFF	#000000	##FFFFFF
##1F0937	1.00	18.22	1.15	18.22
#FFFFFF	18.22	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001538

Deuteranopia (green-blind)

#001536

Tritanopia (blue-blind)

#1A141F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1f0937;
/* rgb */ color: rgb(31, 9, 55);
/* oklch */ color: oklch(20.7% 0.084 301.1);

Tailwind

colors: {
  custom: {
    50: '#5d4a6e',
    500: '#1f0937',
    950: '#000000',
  },
}

SCSS

$custom: #1f0937;
$custom-light: #5d4a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0937",
  "rgb": {
    "r": 31,
    "g": 9,
    "b": 55
  },
  "hsl": {
    "h": 268.696,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.20695,
    "c": 0.08441,
    "h": 301.1
  },
  "luminance": 0.00763
}

Semantic roles & 50–950 ramp

primary

#1F0937

secondary

#507527

accent

#EF3998

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1F0937

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

Preview Lab → · Contrast checker → · Palette generator →