#310D42#310D42

#310D42 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 25.0% C 0.098 H 312.6°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#310D42
RGB	rgb(49, 13, 66)
HSL	hsl(281, 67%, 15%)
HSV	hsv(281, 80%, 26%)
CMYK	cmyk(25.8%, 80.3%, 0%, 74.1%)
CIE-LAB	lab(11.51, 27.97, -25.52)
CIE-LCH	lch(11.51, 37.86, 317.63°)
OKLab	oklab(24.96% 0.0662 -0.0721)
OKLCH	oklch(24.96% 0.098 312.6)
XYZ	xyz(2.3937, 1.3342, 5.2846)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D42 #1E420D

analogous

#160D42 #310D42 #420D38

triadic

#310D42 #42310D #0D4231

tetradic

#310D42 #42160D #1E420D #0D3842

square

#310D42 #42160D #1E420D #0D3842

split-complementary

#310D42 #38420D #0D4216

monochromatic

#13051A #13051A #310D42 #571775 #7D21A8

Accessibility & contrast

On white

16.58

#310D42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310D42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D42

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D42	#FFFFFF	#000000	##FFFFFF
##310D42	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D44

Deuteranopia (green-blind)

#081F41

Tritanopia (blue-blind)

#2F1826

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310d42;
/* rgb */ color: rgb(49, 13, 66);
/* oklch */ color: oklch(25.0% 0.098 312.6);

Tailwind

colors: {
  custom: {
    50: '#6c4f77',
    500: '#310d42',
    950: '#000000',
  },
}

SCSS

$custom: #310d42;
$custom-light: #6c4f77;
$custom-dark: #000000;

JSON

{
  "hex": "#310d42",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 66
  },
  "hsl": {
    "h": 280.755,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24955,
    "c": 0.09784,
    "h": 312.6
  },
  "luminance": 0.01334
}

Semantic roles & 50–950 ramp

primary

#310D42

secondary

#477E2D

accent

#EA3E75

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #310D42

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

Preview Lab → · Contrast checker → · Palette generator →