#310F38#310F38

#310F38 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.4% C 0.083 H 320.4°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#310F38
RGB	rgb(49, 15, 56)
HSL	hsl(290, 58%, 14%)
HSV	hsv(290, 73%, 22%)
CMYK	cmyk(12.5%, 73.2%, 0%, 78%)
CIE-LAB	lab(11.14, 24.47, -19.00)
CIE-LCH	lch(11.14, 30.97, 322.17°)
OKLab	oklab(24.44% 0.0641 -0.053)
OKLCH	oklch(24.44% 0.083 320.4)
XYZ	xyz(2.1512, 1.2802, 3.8744)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F38 #16380F

analogous

#1D0F38 #310F38 #380F2B

triadic

#310F38 #38310F #0F3831

tetradic

#310F38 #381D0F #16380F #0F2B38

square

#310F38 #381D0F #16380F #0F2B38

split-complementary

#310F38 #2B380F #0F381D

monochromatic

#150618 #150618 #310F38 #5B1C68 #852999

Accessibility & contrast

On white

16.72

#310F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F38

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F38	#FFFFFF	#000000	##FFFFFF
##310F38	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051B39

Deuteranopia (green-blind)

#131F37

Tritanopia (blue-blind)

#311621

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310f38;
/* rgb */ color: rgb(49, 15, 56);
/* oklch */ color: oklch(24.4% 0.083 320.4);

Tailwind

colors: {
  custom: {
    50: '#6b506f',
    500: '#310f38',
    950: '#000000',
  },
}

SCSS

$custom: #310f38;
$custom-light: #6b506f;
$custom-dark: #000000;

JSON

{
  "hex": "#310f38",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 56
  },
  "hsl": {
    "h": 289.756,
    "s": 57.746,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24444,
    "c": 0.08318,
    "h": 320.4
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary

#310F38

secondary

#3C7230

accent

#E14761

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310F38

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

Preview Lab → · Contrast checker → · Palette generator →