#310737#310737

#310737 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.4% C 0.095 H 322.4°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#310737
RGB	rgb(49, 7, 55)
HSL	hsl(293, 77%, 12%)
HSV	hsv(293, 87%, 22%)
CMYK	cmyk(10.9%, 87.3%, 0%, 78.4%)
CIE-LAB	lab(9.65, 28.22, -20.65)
CIE-LCH	lch(9.65, 34.97, 323.81°)
OKLab	oklab(23.35% 0.0749 -0.0577)
OKLCH	oklch(23.35% 0.095 322.4)
XYZ	xyz(2.0321, 1.0809, 3.7153)
Luminance	0.0108 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310737 #0D3707

analogous

#190737 #310737 #370725

triadic

#310737 #373107 #073731

tetradic

#310737 #371907 #0D3707 #072537

square

#310737 #371907 #0D3707 #072537

split-complementary

#310737 #253707 #073719

monochromatic

#18031B #18031B #310737 #610E6D #9215A4

Accessibility & contrast

On white

17.27

#310737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#310737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310737

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310737	#FFFFFF	#000000	##FFFFFF
##310737	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#0E1C36

Tritanopia (blue-blind)

#32101E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310737;
/* rgb */ color: rgb(49, 7, 55);
/* oklch */ color: oklch(23.4% 0.095 322.4);

Tailwind

colors: {
  custom: {
    50: '#6b4c6e',
    500: '#310737',
    950: '#000000',
  },
}

SCSS

$custom: #310737;
$custom-light: #6b4c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#310737",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 55
  },
  "hsl": {
    "h": 292.5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23353,
    "c": 0.09456,
    "h": 322.4
  },
  "luminance": 0.01081
}

Semantic roles & 50–950 ramp

primary

#310737

secondary

#2E7723

accent

#F4344C

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #310737

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

Preview Lab → · Contrast checker → · Palette generator →