#31103D#31103D

#31103D is a very dark, moderate purple. Relative luminance 0.014; OKLCH L 25.0% C 0.087 H 315.8°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#31103D
RGB	rgb(49, 16, 61)
HSL	hsl(284, 58%, 15%)
HSV	hsv(284, 74%, 24%)
CMYK	cmyk(19.7%, 73.8%, 0%, 76.1%)
CIE-LAB	lab(11.69, 25.13, -21.69)
CIE-LCH	lch(11.69, 33.19, 319.21°)
OKLab	oklab(24.96% 0.0626 -0.0608)
OKLCH	oklch(24.96% 0.087 315.8)
XYZ	xyz(2.2941, 1.3606, 4.5557)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31103D #1C3D10

analogous

#1A103D #31103D #3D1032

triadic

#31103D #3D3110 #103D31

tetradic

#31103D #3D1A10 #1C3D10 #10323D

square

#31103D #3D1A10 #1C3D10 #10323D

split-complementary

#31103D #323D10 #103D1A

monochromatic

#130618 #130618 #31103D #581D6D #7F299E

Accessibility & contrast

On white

16.51

#31103D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#31103D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31103D

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31103D	#FFFFFF	#000000	##FFFFFF
##31103D	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021D3E

Deuteranopia (green-blind)

#10203C

Tritanopia (blue-blind)

#301824

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #31103d;
/* rgb */ color: rgb(49, 16, 61);
/* oklch */ color: oklch(25.0% 0.087 315.8);

Tailwind

colors: {
  custom: {
    50: '#6b5173',
    500: '#31103d',
    950: '#000000',
  },
}

SCSS

$custom: #31103d;
$custom-light: #6b5173;
$custom-dark: #000000;

JSON

{
  "hex": "#31103d",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 61
  },
  "hsl": {
    "h": 284,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2496,
    "c": 0.08733,
    "h": 315.8
  },
  "luminance": 0.0136
}

Semantic roles & 50–950 ramp

primary

#31103D

secondary

#447732

accent

#E24670

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #31103D

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

Preview Lab → · Contrast checker → · Palette generator →