#310738#310738

#310738 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.4% C 0.096 H 321.5°. Best body text is #FFFFFF at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#310738
RGB	rgb(49, 7, 56)
HSL	hsl(291, 78%, 12%)
HSV	hsv(291, 88%, 22%)
CMYK	cmyk(12.5%, 87.5%, 0%, 78%)
CIE-LAB	lab(9.72, 28.44, -21.25)
CIE-LCH	lch(9.72, 35.50, 323.23°)
OKLab	oklab(23.43% 0.0748 -0.0595)
OKLCH	oklch(23.43% 0.096 321.5)
XYZ	xyz(2.0563, 1.0906, 3.8428)
Luminance	0.0109 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310738 #0E3807

analogous

#190738 #310738 #380726

triadic

#310738 #383107 #073831

tetradic

#310738 #381907 #0E3807 #072638

square

#310738 #381907 #0E3807 #072638

split-complementary

#310738 #263807 #073819

monochromatic

#18031B #18031B #310738 #610E6E #9015A5

Accessibility & contrast

On white

17.24

#310738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#310738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310738

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310738	#FFFFFF	#000000	##FFFFFF
##310738	1.00	17.24	1.22	17.24
#FFFFFF	17.24	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001839

Deuteranopia (green-blind)

#0D1C37

Tritanopia (blue-blind)

#32111F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310738;
/* rgb */ color: rgb(49, 7, 56);
/* oklch */ color: oklch(23.4% 0.096 321.5);

Tailwind

colors: {
  custom: {
    50: '#6b4c6f',
    500: '#310738',
    950: '#000000',
  },
}

SCSS

$custom: #310738;
$custom-light: #6b4c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#310738",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 56
  },
  "hsl": {
    "h": 291.429,
    "s": 77.778,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23431,
    "c": 0.09557,
    "h": 321.5
  },
  "luminance": 0.0109
}

Semantic roles & 50–950 ramp

primary

#310738

secondary

#2F7823

accent

#F4344F

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #310738

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

Preview Lab → · Contrast checker → · Palette generator →