#310539#310539

#310539 is a very dark, moderate purple. Relative luminance 0.011; OKLCH L 23.3% C 0.100 H 320.9°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#310539
RGB	rgb(49, 5, 57)
HSL	hsl(291, 84%, 12%)
HSV	hsv(291, 91%, 22%)
CMYK	cmyk(14%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(9.46, 29.66, -22.40)
CIE-LCH	lch(9.46, 37.17, 322.93°)
OKLab	oklab(23.27% 0.0773 -0.0628)
OKLCH	oklch(23.27% 0.1 320.9)
XYZ	xyz(2.0593, 1.0570, 3.9657)
Luminance	0.0106 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310539 #0D3905

analogous

#170539 #310539 #390527

triadic

#310539 #393105 #053931

tetradic

#310539 #391705 #0D3905 #052739

square

#310539 #391705 #0D3905 #052739

split-complementary

#310539 #273905 #053917

monochromatic

#18021C #18021C #310539 #610A71 #920FAA

Accessibility & contrast

On white

17.34

#310539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310539

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310539	#FFFFFF	#000000	##FFFFFF
##310539	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)

#00173A

Deuteranopia (green-blind)

#0B1C38

Tritanopia (blue-blind)

#31101F

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310539;
/* rgb */ color: rgb(49, 5, 57);
/* oklch */ color: oklch(23.3% 0.100 320.9);

Tailwind

colors: {
  custom: {
    50: '#6c4b70',
    500: '#310539',
    950: '#000000',
  },
}

SCSS

$custom: #310539;
$custom-light: #6c4b70;
$custom-dark: #000000;

JSON

{
  "hex": "#310539",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 290.769,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23268,
    "c": 0.09963,
    "h": 320.9
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary

#310539

secondary

#2E7A20

accent

#FA2E4D

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #310539

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

Preview Lab → · Contrast checker → · Palette generator →