#310831#310831

#310831 is a very dark, moderate purple. Relative luminance 0.010; OKLCH L 23.0% C 0.087 H 328.0°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#310831
RGB	rgb(49, 8, 49)
HSL	hsl(300, 72%, 11%)
HSV	hsv(300, 84%, 19%)
CMYK	cmyk(0%, 83.7%, 0%, 80.8%)
CIE-LAB	lab(9.39, 26.45, -16.68)
CIE-LCH	lch(9.39, 31.27, 327.76°)
OKLab	oklab(23.03% 0.0738 -0.0462)
OKLCH	oklch(23.03% 0.087 328)
XYZ	xyz(1.9078, 1.0485, 3.0070)
Luminance	0.0105 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310831 #083108

analogous

#1C0831 #310831 #31081C

triadic

#310831 #313108 #083131

tetradic

#310831 #311C08 #083108 #081C31

square

#310831 #311C08 #083108 #081C31

split-complementary

#310831 #1C3108 #08311C

monochromatic

#1A041A #1A041A #310831 #661166 #9A199A

Accessibility & contrast

On white

17.36

#310831 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310831 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310831

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310831	#FFFFFF	#000000	##FFFFFF
##310831	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031732

Deuteranopia (green-blind)

#131C30

Tritanopia (blue-blind)

#330E1B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310831;
/* rgb */ color: rgb(49, 8, 49);
/* oklch */ color: oklch(23.0% 0.087 328.0);

Tailwind

colors: {
  custom: {
    50: '#6b4c69',
    500: '#310831',
    950: '#000000',
  },
}

SCSS

$custom: #310831;
$custom-light: #6b4c69;
$custom-dark: #000000;

JSON

{
  "hex": "#310831",
  "rgb": {
    "r": 49,
    "g": 8,
    "b": 49
  },
  "hsl": {
    "h": 300,
    "s": 71.93,
    "l": 11.176
  },
  "oklch": {
    "l": 0.23029,
    "c": 0.08703,
    "h": 328
  },
  "luminance": 0.01048
}

Semantic roles & 50–950 ramp

primary

#310831

secondary

#257025

accent

#EF3939

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070106

muted

#7A777A

Preview Lab

Preview with #310831

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

Preview Lab → · Contrast checker → · Palette generator →