#31073A#31073A

#31073A is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.6% C 0.098 H 319.8°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#31073A
RGB	rgb(49, 7, 58)
HSL	hsl(289, 78%, 13%)
HSV	hsv(289, 88%, 23%)
CMYK	cmyk(15.5%, 87.9%, 0%, 77.3%)
CIE-LAB	lab(9.88, 28.89, -22.45)
CIE-LCH	lch(9.88, 36.58, 322.15°)
OKLab	oklab(23.59% 0.0745 -0.063)
OKLCH	oklch(23.59% 0.098 319.8)
XYZ	xyz(2.1062, 1.1105, 4.1056)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31073A #103A07

analogous

#17073A #31073A #3A0729

triadic

#31073A #3A3107 #073A31

tetradic

#31073A #3A1707 #103A07 #07293A

square

#31073A #3A1707 #103A07 #07293A

split-complementary

#31073A #293A07 #073A17

monochromatic

#17031B #17031B #31073A #5F0E71 #8D14A7

Accessibility & contrast

On white

17.18

#31073A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#31073A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31073A

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31073A	#FFFFFF	#000000	##FFFFFF
##31073A	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183B

Deuteranopia (green-blind)

#0B1D39

Tritanopia (blue-blind)

#311120

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #31073a;
/* rgb */ color: rgb(49, 7, 58);
/* oklch */ color: oklch(23.6% 0.098 319.8);

Tailwind

colors: {
  custom: {
    50: '#6b4c70',
    500: '#31073a',
    950: '#000000',
  },
}

SCSS

$custom: #31073a;
$custom-light: #6b4c70;
$custom-dark: #000000;

JSON

{
  "hex": "#31073a",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 58
  },
  "hsl": {
    "h": 289.412,
    "s": 78.462,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23592,
    "c": 0.0976,
    "h": 319.8
  },
  "luminance": 0.0111
}

Semantic roles & 50–950 ramp

primary

#31073A

secondary

#337923

accent

#F53355

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #31073A

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

Preview Lab → · Contrast checker → · Palette generator →