#310A33#310A33

#310A33 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.4% C 0.086 H 325.8°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#310A33
RGB	rgb(49, 10, 51)
HSL	hsl(297, 67%, 12%)
HSV	hsv(297, 80%, 20%)
CMYK	cmyk(3.9%, 80.4%, 0%, 80%)
CIE-LAB	lab(9.87, 25.90, -17.38)
CIE-LCH	lch(9.87, 31.19, 326.13°)
OKLab	oklab(23.42% 0.0711 -0.0482)
OKLCH	oklch(23.42% 0.086 325.8)
XYZ	xyz(1.9727, 1.1092, 3.2415)
Luminance	0.0111 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A33 #0C330A

analogous

#1D0A33 #310A33 #330A21

triadic

#310A33 #33310A #0A3331

tetradic

#310A33 #331D0A #0C330A #0A2133

square

#310A33 #331D0A #0C330A #0A2133

split-complementary

#310A33 #21330A #0A331D

monochromatic

#19051A #19051A #310A33 #621466 #931E99

Accessibility & contrast

On white

17.19

#310A33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#310A33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A33

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A33	#FFFFFF	#000000	##FFFFFF
##310A33	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041834

Deuteranopia (green-blind)

#131D32

Tritanopia (blue-blind)

#32101D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310a33;
/* rgb */ color: rgb(49, 10, 51);
/* oklch */ color: oklch(23.4% 0.086 325.8);

Tailwind

colors: {
  custom: {
    50: '#6b4d6b',
    500: '#310a33',
    950: '#000000',
  },
}

SCSS

$custom: #310a33;
$custom-light: #6b4d6b;
$custom-dark: #000000;

JSON

{
  "hex": "#310a33",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 51
  },
  "hsl": {
    "h": 297.073,
    "s": 67.213,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23419,
    "c": 0.0859,
    "h": 325.8
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#310A33

secondary

#2C7028

accent

#EA3E46

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070106

muted

#7A777A

Preview Lab

Preview with #310A33

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

Preview Lab → · Contrast checker → · Palette generator →