#310C33#310C33

#310C33 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 23.7% C 0.083 H 325.7°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#310C33
RGB	rgb(49, 12, 51)
HSL	hsl(297, 62%, 12%)
HSV	hsv(297, 76%, 20%)
CMYK	cmyk(3.9%, 76.5%, 0%, 80%)
CIE-LAB	lab(10.22, 24.91, -16.82)
CIE-LCH	lch(10.22, 30.06, 325.97°)
OKLab	oklab(23.67% 0.0683 -0.0466)
OKLCH	oklch(23.67% 0.083 325.7)
XYZ	xyz(1.9956, 1.1551, 3.2492)
Luminance	0.0115 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C33 #0E330C

analogous

#1E0C33 #310C33 #330C22

triadic

#310C33 #33310C #0C3331

tetradic

#310C33 #331E0C #0E330C #0C2233

square

#310C33 #331E0C #0E330C #0C2233

split-complementary

#310C33 #22330C #0C331E

monochromatic

#180619 #180619 #310C33 #611865 #902396

Accessibility & contrast

On white

17.06

#310C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#310C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C33

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C33	#FFFFFF	#000000	##FFFFFF
##310C33	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061934

Deuteranopia (green-blind)

#141E32

Tritanopia (blue-blind)

#32121E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #310c33;
/* rgb */ color: rgb(49, 12, 51);
/* oklch */ color: oklch(23.7% 0.083 325.7);

Tailwind

colors: {
  custom: {
    50: '#6b4e6b',
    500: '#310c33',
    950: '#000000',
  },
}

SCSS

$custom: #310c33;
$custom-light: #6b4e6b;
$custom-dark: #000000;

JSON

{
  "hex": "#310c33",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 51
  },
  "hsl": {
    "h": 296.923,
    "s": 61.905,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23672,
    "c": 0.08272,
    "h": 325.7
  },
  "luminance": 0.01155
}

Semantic roles & 50–950 ramp

primary

#310C33

secondary

#2F6F2C

accent

#E5434B

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070206

muted

#7A787A

Preview Lab

Preview with #310C33

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

Preview Lab → · Contrast checker → · Palette generator →