#31043B#31043B

#31043B is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.3% C 0.103 H 319.4°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#31043B
RGB	rgb(49, 4, 59)
HSL	hsl(289, 87%, 12%)
HSV	hsv(289, 93%, 23%)
CMYK	cmyk(16.9%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(9.45, 30.60, -23.86)
CIE-LCH	lch(9.45, 38.81, 322.05°)
OKLab	oklab(23.31% 0.0783 -0.0671)
OKLCH	oklch(23.31% 0.103 319.4)
XYZ	xyz(2.0994, 1.0557, 4.2300)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31043B #0E3B04

analogous

#16043B #31043B #3B042A

triadic

#31043B #3B3104 #043B31

tetradic

#31043B #3B1604 #0E3B04 #042A3B

square

#31043B #3B1604 #0E3B04 #042A3B

split-complementary

#31043B #2A3B04 #043B16

monochromatic

#18021D #18021D #31043B #610874 #900CAE

Accessibility & contrast

On white

17.34

#31043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#31043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31043B

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31043B	#FFFFFF	#000000	##FFFFFF
##31043B	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173C

Deuteranopia (green-blind)

#081C3A

Tritanopia (blue-blind)

#311020

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #31043b;
/* rgb */ color: rgb(49, 4, 59);
/* oklch */ color: oklch(23.3% 0.103 319.4);

Tailwind

colors: {
  custom: {
    50: '#6c4a71',
    500: '#31043b',
    950: '#000000',
  },
}

SCSS

$custom: #31043b;
$custom-light: #6c4a71;
$custom-dark: #000000;

JSON

{
  "hex": "#31043b",
  "rgb": {
    "r": 49,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 289.091,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23312,
    "c": 0.10312,
    "h": 319.4
  },
  "luminance": 0.01056
}

Semantic roles & 50–950 ramp

primary

#31043B

secondary

#2F7D1E

accent

#FD2A51

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070108

muted

#7A777B

Preview Lab

Preview with #31043B

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

Preview Lab → · Contrast checker → · Palette generator →