#310939#310939

#310939 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.7% C 0.094 H 320.4°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#310939
RGB	rgb(49, 9, 57)
HSL	hsl(290, 73%, 13%)
HSV	hsv(290, 84%, 22%)
CMYK	cmyk(14%, 84.2%, 0%, 77.6%)
CIE-LAB	lab(10.14, 27.70, -21.31)
CIE-LCH	lch(10.14, 34.95, 322.43°)
OKLab	oklab(23.75% 0.0721 -0.0597)
OKLCH	oklch(23.75% 0.094 320.4)
XYZ	xyz(2.1027, 1.1439, 3.9801)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310939 #113909

analogous

#190939 #310939 #390929

triadic

#310939 #393109 #093931

tetradic

#310939 #391909 #113909 #092939

square

#310939 #391909 #113909 #092939

split-complementary

#310939 #293909 #093919

monochromatic

#17041A #17041A #310939 #5E116E #8C1AA3

Accessibility & contrast

On white

17.09

#310939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#310939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310939

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310939	#FFFFFF	#000000	##FFFFFF
##310939	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193A

Deuteranopia (green-blind)

#0E1D38

Tritanopia (blue-blind)

#311220

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #310939;
/* rgb */ color: rgb(49, 9, 57);
/* oklch */ color: oklch(23.7% 0.094 320.4);

Tailwind

colors: {
  custom: {
    50: '#6b4d70',
    500: '#310939',
    950: '#000000',
  },
}

SCSS

$custom: #310939;
$custom-light: #6b4d70;
$custom-dark: #000000;

JSON

{
  "hex": "#310939",
  "rgb": {
    "r": 49,
    "g": 9,
    "b": 57
  },
  "hsl": {
    "h": 290,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23749,
    "c": 0.09362,
    "h": 320.4
  },
  "luminance": 0.01144
}

Semantic roles & 50–950 ramp

primary

#310939

secondary

#347727

accent

#EF3857

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #310939

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

Preview Lab → · Contrast checker → · Palette generator →