#310C39#310C39

#310C39 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.1% C 0.089 H 320.0°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#310C39
RGB	rgb(49, 12, 57)
HSL	hsl(289, 65%, 14%)
HSV	hsv(289, 79%, 22%)
CMYK	cmyk(14%, 78.9%, 0%, 77.6%)
CIE-LAB	lab(10.64, 26.28, -20.51)
CIE-LCH	lch(10.64, 33.33, 322.03°)
OKLab	oklab(24.11% 0.0683 -0.0574)
OKLCH	oklch(24.11% 0.089 320)
XYZ	xyz(2.1365, 1.2114, 3.9914)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C39 #14390C

analogous

#1A0C39 #310C39 #390C2A

triadic

#310C39 #39310C #0C3931

tetradic

#310C39 #391A0C #14390C #0C2A39

square

#310C39 #391A0C #14390C #0C2A39

split-complementary

#310C39 #2A390C #0C391A

monochromatic

#160519 #160519 #310C39 #5C176C #88219E

Accessibility & contrast

On white

16.91

#310C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#310C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C39

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C39	#FFFFFF	#000000	##FFFFFF
##310C39	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011A3A

Deuteranopia (green-blind)

#101E38

Tritanopia (blue-blind)

#311421

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310c39;
/* rgb */ color: rgb(49, 12, 57);
/* oklch */ color: oklch(24.1% 0.089 320.0);

Tailwind

colors: {
  custom: {
    50: '#6b4e6f',
    500: '#310c39',
    950: '#000000',
  },
}

SCSS

$custom: #310c39;
$custom-light: #6b4e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#310c39",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 57
  },
  "hsl": {
    "h": 289.333,
    "s": 65.217,
    "l": 13.529
  },
  "oklch": {
    "l": 0.2411,
    "c": 0.08921,
    "h": 320
  },
  "luminance": 0.01211
}

Semantic roles & 50–950 ramp

primary

#310C39

secondary

#39752C

accent

#E8405E

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310C39

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

Preview Lab → · Contrast checker → · Palette generator →