#310D39#310D39

#310D39 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.2% C 0.088 H 319.8°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#310D39
RGB	rgb(49, 13, 57)
HSL	hsl(289, 63%, 14%)
HSV	hsv(289, 77%, 22%)
CMYK	cmyk(14%, 77.2%, 0%, 77.6%)
CIE-LAB	lab(10.82, 25.77, -20.22)
CIE-LCH	lch(10.82, 32.75, 321.89°)
OKLab	oklab(24.24% 0.067 -0.0565)
OKLCH	oklch(24.24% 0.088 319.8)
XYZ	xyz(2.1490, 1.2363, 3.9955)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D39 #15390D

analogous

#1B0D39 #310D39 #390D2B

triadic

#310D39 #39310D #0D3931

tetradic

#310D39 #391B0D #15390D #0D2B39

square

#310D39 #391B0D #15390D #0D2B39

split-complementary

#310D39 #2B390D #0D391B

monochromatic

#150619 #150619 #310D39 #5C186B #87249D

Accessibility & contrast

On white

16.84

#310D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D39

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D39	#FFFFFF	#000000	##FFFFFF
##310D39	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021B3A

Deuteranopia (green-blind)

#111E38

Tritanopia (blue-blind)

#311521

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310d39;
/* rgb */ color: rgb(49, 13, 57);
/* oklch */ color: oklch(24.2% 0.088 319.8);

Tailwind

colors: {
  custom: {
    50: '#6b4f6f',
    500: '#310d39',
    950: '#000000',
  },
}

SCSS

$custom: #310d39;
$custom-light: #6b4f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#310d39",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 57
  },
  "hsl": {
    "h": 289.091,
    "s": 62.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.2424,
    "c": 0.08764,
    "h": 319.8
  },
  "luminance": 0.01236
}

Semantic roles & 50–950 ramp

primary

#310D39

secondary

#3A742D

accent

#E64260

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310D39

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

Preview Lab → · Contrast checker → · Palette generator →