#31012B#31012B

#31012B is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.7% C 0.094 H 334.1°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#31012B
RGB	rgb(49, 1, 43)
HSL	hsl(308, 96%, 10%)
HSV	hsv(308, 98%, 19%)
CMYK	cmyk(0%, 98%, 12.2%, 80.8%)
CIE-LAB	lab(7.67, 29.07, -14.94)
CIE-LCH	lch(7.67, 32.69, 332.80°)
OKLab	oklab(21.67% 0.0847 -0.0411)
OKLCH	oklch(21.67% 0.094 334.1)
XYZ	xyz(1.7135, 0.8493, 2.3587)
Luminance	0.0085 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31012B #013107

analogous

#1F0131 #31012B #310113

triadic

#31012B #2B3101 #012B31

tetradic

#31012B #311F01 #013107 #011331

square

#31012B #311F01 #013107 #011331

split-complementary

#31012B #133101 #01311F

monochromatic

#1E011A #1E011A #31012B #6D0260 #A90394

Accessibility & contrast

On white

17.95

#31012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#31012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31012B

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31012B	#FFFFFF	#000000	##FFFFFF
##31012B	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122C

Deuteranopia (green-blind)

#12192A

Tritanopia (blue-blind)

#340515

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #31012b;
/* rgb */ color: rgb(49, 1, 43);
/* oklch */ color: oklch(21.7% 0.094 334.1);

Tailwind

colors: {
  custom: {
    50: '#6c4864',
    500: '#31012b',
    950: '#000000',
  },
}

SCSS

$custom: #31012b;
$custom-light: #6c4864;
$custom-dark: #000000;

JSON

{
  "hex": "#31012b",
  "rgb": {
    "r": 49,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 307.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.21668,
    "c": 0.09415,
    "h": 334.1
  },
  "luminance": 0.00849
}

Semantic roles & 50–950 ramp

primary

#31012B

secondary

#177723

accent

#FF4429

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070105

muted

#7A777A

Preview Lab

Preview with #31012B

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

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