#31102C#31102C

#31102C is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 23.8% C 0.068 H 333.7°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#31102C
RGB	rgb(49, 16, 44)
HSL	hsl(309, 51%, 13%)
HSV	hsv(309, 67%, 19%)
CMYK	cmyk(0%, 67.3%, 10.2%, 80.8%)
CIE-LAB	lab(10.60, 21.21, -11.10)
CIE-LCH	lch(10.60, 23.94, 332.38°)
OKLab	oklab(23.81% 0.0611 -0.0302)
OKLCH	oklch(23.81% 0.068 333.7)
XYZ	xyz(1.9065, 1.2055, 2.5147)
Luminance	0.0120 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31102C #103115

analogous

#251031 #31102C #31101B

triadic

#31102C #2C3110 #102C31

tetradic

#31102C #312510 #103115 #101B31

square

#31102C #312510 #103115 #101B31

split-complementary

#31102C #1B3110 #103125

monochromatic

#170815 #170815 #31102C #5F1F55 #8D2E7F

Accessibility & contrast

On white

16.92

#31102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#31102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31102C

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31102C	#FFFFFF	#000000	##FFFFFF
##31102C	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1A2D

Deuteranopia (green-blind)

#191E2B

Tritanopia (blue-blind)

#33121C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #31102c;
/* rgb */ color: rgb(49, 16, 44);
/* oklch */ color: oklch(23.8% 0.068 333.7);

Tailwind

colors: {
  custom: {
    50: '#6a5065',
    500: '#31102c',
    950: '#000000',
  },
}

SCSS

$custom: #31102c;
$custom-light: #6a5065;
$custom-dark: #000000;

JSON

{
  "hex": "#31102c",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 309.091,
    "s": 50.769,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23808,
    "c": 0.06817,
    "h": 333.7
  },
  "luminance": 0.01205
}

Semantic roles & 50–950 ramp

primary

#31102C

secondary

#336A3B

accent

#DA634E

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#060205

muted

#7A787A

Preview Lab

Preview with #31102C

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

Preview Lab → · Contrast checker → · Palette generator →