#310D38#310D38

#310D38 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.2% C 0.087 H 320.7°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#310D38
RGB	rgb(49, 13, 56)
HSL	hsl(290, 62%, 14%)
HSV	hsv(290, 77%, 22%)
CMYK	cmyk(12.5%, 76.8%, 0%, 78%)
CIE-LAB	lab(10.75, 25.54, -19.61)
CIE-LCH	lch(10.75, 32.20, 322.48°)
OKLab	oklab(24.17% 0.067 -0.0548)
OKLCH	oklch(24.17% 0.087 320.7)
XYZ	xyz(2.1243, 1.2264, 3.8654)
Luminance	0.0123 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D38 #14380D

analogous

#1B0D38 #310D38 #380D29

triadic

#310D38 #38310D #0D3831

tetradic

#310D38 #381B0D #14380D #0D2938

square

#310D38 #381B0D #14380D #0D2938

split-complementary

#310D38 #29380D #0D381B

monochromatic

#160619 #160619 #310D38 #5C196A #88249B

Accessibility & contrast

On white

16.86

#310D38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310D38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D38

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D38	#FFFFFF	#000000	##FFFFFF
##310D38	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031A39

Deuteranopia (green-blind)

#111E37

Tritanopia (blue-blind)

#311421

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310d38;
/* rgb */ color: rgb(49, 13, 56);
/* oklch */ color: oklch(24.2% 0.087 320.7);

Tailwind

colors: {
  custom: {
    50: '#6b4f6f',
    500: '#310d38',
    950: '#000000',
  },
}

SCSS

$custom: #310d38;
$custom-light: #6b4f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#310d38",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 56
  },
  "hsl": {
    "h": 290.233,
    "s": 62.319,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24166,
    "c": 0.08652,
    "h": 320.7
  },
  "luminance": 0.01226
}

Semantic roles & 50–950 ramp

primary

#310D38

secondary

#39732D

accent

#E5425D

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310D38

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

Preview Lab → · Contrast checker → · Palette generator →