#310733#310733

#310733 is a very dark, moderate purple. Relative luminance 0.010; OKLCH L 23.0% C 0.091 H 326.0°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#310733
RGB	rgb(49, 7, 51)
HSL	hsl(297, 76%, 11%)
HSV	hsv(297, 86%, 20%)
CMYK	cmyk(3.9%, 86.3%, 0%, 80%)
CIE-LAB	lab(9.35, 27.36, -18.20)
CIE-LCH	lch(9.35, 32.87, 326.37°)
OKLab	oklab(23.05% 0.0752 -0.0506)
OKLCH	oklch(23.05% 0.091 326)
XYZ	xyz(1.9401, 1.0441, 3.2307)
Luminance	0.0104 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310733 #093307

analogous

#1B0733 #310733 #33071F

triadic

#310733 #333107 #073331

tetradic

#310733 #331B07 #093307 #071F33

square

#310733 #331B07 #093307 #071F33

split-complementary

#310733 #1F3307 #07331B

monochromatic

#1A041B #1A041B #310733 #650E69 #98169F

Accessibility & contrast

On white

17.37

#310733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310733

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310733	#FFFFFF	#000000	##FFFFFF
##310733	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001734

Deuteranopia (green-blind)

#111C32

Tritanopia (blue-blind)

#320E1C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310733;
/* rgb */ color: rgb(49, 7, 51);
/* oklch */ color: oklch(23.0% 0.091 326.0);

Tailwind

colors: {
  custom: {
    50: '#6b4c6b',
    500: '#310733',
    950: '#000000',
  },
}

SCSS

$custom: #310733;
$custom-light: #6b4c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#310733",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 51
  },
  "hsl": {
    "h": 297.273,
    "s": 75.862,
    "l": 11.373
  },
  "oklch": {
    "l": 0.23048,
    "c": 0.0906,
    "h": 326
  },
  "luminance": 0.01044
}

Semantic roles & 50–950 ramp

primary

#310733

secondary

#277323

accent

#F2353E

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070106

muted

#7A777A

Preview Lab

Preview with #310733

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

Preview Lab → · Contrast checker → · Palette generator →