#310731#310731

#310731 is a very dark, moderate purple. Relative luminance 0.010; OKLCH L 22.9% C 0.089 H 328.0°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#310731
RGB	rgb(49, 7, 49)
HSL	hsl(300, 75%, 11%)
HSV	hsv(300, 86%, 19%)
CMYK	cmyk(0%, 85.7%, 0%, 80.8%)
CIE-LAB	lab(9.21, 26.95, -16.96)
CIE-LCH	lch(9.21, 31.84, 327.82°)
OKLab	oklab(22.9% 0.0752 -0.047)
OKLCH	oklch(22.9% 0.089 328)
XYZ	xyz(1.8970, 1.0268, 3.0034)
Luminance	0.0103 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310731 #073107

analogous

#1C0731 #310731 #31071C

triadic

#310731 #313107 #073131

tetradic

#310731 #311C07 #073107 #071C31

square

#310731 #311C07 #073107 #071C31

split-complementary

#310731 #1C3107 #07311C

monochromatic

#1B041B #1B041B #310731 #670F67 #9C169C

Accessibility & contrast

On white

17.42

#310731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310731

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310731	#FFFFFF	#000000	##FFFFFF
##310731	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021632

Deuteranopia (green-blind)

#121C30

Tritanopia (blue-blind)

#330D1B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310731;
/* rgb */ color: rgb(49, 7, 49);
/* oklch */ color: oklch(22.9% 0.089 328.0);

Tailwind

colors: {
  custom: {
    50: '#6b4b69',
    500: '#310731',
    950: '#000000',
  },
}

SCSS

$custom: #310731;
$custom-light: #6b4b69;
$custom-dark: #000000;

JSON

{
  "hex": "#310731",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 300,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.22903,
    "c": 0.08866,
    "h": 328
  },
  "luminance": 0.01027
}

Semantic roles & 50–950 ramp

primary

#310731

secondary

#237123

accent

#F23636

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070106

muted

#7A777A

Preview Lab

Preview with #310731

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

Preview Lab → · Contrast checker → · Palette generator →