#31103C#31103C

#31103C is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.9% C 0.086 H 316.7°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#31103C
RGB	rgb(49, 16, 60)
HSL	hsl(285, 58%, 15%)
HSV	hsv(285, 73%, 24%)
CMYK	cmyk(18.3%, 73.3%, 0%, 76.5%)
CIE-LAB	lab(11.62, 24.88, -21.09)
CIE-LCH	lch(11.62, 32.62, 319.72°)
OKLab	oklab(24.89% 0.0627 -0.0591)
OKLCH	oklch(24.89% 0.086 316.7)
XYZ	xyz(2.2674, 1.3499, 4.4152)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31103C #1B3C10

analogous

#1B103C #31103C #3C1031

triadic

#31103C #3C3110 #103C31

tetradic

#31103C #3C1B10 #1B3C10 #10313C

square

#31103C #3C1B10 #1B3C10 #10313C

split-complementary

#31103C #313C10 #103C1B

monochromatic

#140618 #140618 #31103C #581D6C #802A9D

Accessibility & contrast

On white

16.54

#31103C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#31103C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31103C

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31103C	#FFFFFF	#000000	##FFFFFF
##31103C	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031D3D

Deuteranopia (green-blind)

#11203B

Tritanopia (blue-blind)

#301824

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #31103c;
/* rgb */ color: rgb(49, 16, 60);
/* oklch */ color: oklch(24.9% 0.086 316.7);

Tailwind

colors: {
  custom: {
    50: '#6b5172',
    500: '#31103c',
    950: '#000000',
  },
}

SCSS

$custom: #31103c;
$custom-light: #6b5172;
$custom-dark: #000000;

JSON

{
  "hex": "#31103c",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 60
  },
  "hsl": {
    "h": 285,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24885,
    "c": 0.08614,
    "h": 316.7
  },
  "luminance": 0.0135
}

Semantic roles & 50–950 ramp

primary

#31103C

secondary

#437632

accent

#E1476D

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070208

muted

#7A787B

Preview Lab

Preview with #31103C

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

Preview Lab → · Contrast checker → · Palette generator →