#31103A#31103A

#31103A is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.084 H 318.4°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#31103A
RGB	rgb(49, 16, 58)
HSL	hsl(287, 57%, 15%)
HSV	hsv(287, 72%, 23%)
CMYK	cmyk(15.5%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(11.48, 24.39, -19.89)
CIE-LCH	lch(11.48, 31.47, 320.81°)
OKLab	oklab(24.74% 0.0627 -0.0556)
OKLCH	oklch(24.74% 0.084 318.4)
XYZ	xyz(2.2155, 1.3291, 4.1420)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31103A #193A10

analogous

#1C103A #31103A #3A102E

triadic

#31103A #3A3110 #103A31

tetradic

#31103A #3A1C10 #193A10 #102E3A

square

#31103A #3A1C10 #193A10 #102E3A

split-complementary

#31103A #2E3A10 #103A1C

monochromatic

#140718 #140718 #31103A #5A1D6A #822A9A

Accessibility & contrast

On white

16.59

#31103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#31103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31103A

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31103A	#FFFFFF	#000000	##FFFFFF
##31103A	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051C3B

Deuteranopia (green-blind)

#122039

Tritanopia (blue-blind)

#311723

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #31103a;
/* rgb */ color: rgb(49, 16, 58);
/* oklch */ color: oklch(24.7% 0.084 318.4);

Tailwind

colors: {
  custom: {
    50: '#6b5170',
    500: '#31103a',
    950: '#000000',
  },
}

SCSS

$custom: #31103a;
$custom-light: #6b5170;
$custom-dark: #000000;

JSON

{
  "hex": "#31103a",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 287.143,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24736,
    "c": 0.08378,
    "h": 318.4
  },
  "luminance": 0.01329
}

Semantic roles & 50–950 ramp

primary

#31103A

secondary

#407432

accent

#E04868

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #31103A

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

Preview Lab → · Contrast checker → · Palette generator →