#310F37#310F37

#310F37 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.4% C 0.082 H 321.4°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#310F37
RGB	rgb(49, 15, 55)
HSL	hsl(291, 57%, 14%)
HSV	hsv(291, 73%, 22%)
CMYK	cmyk(10.9%, 72.7%, 0%, 78.4%)
CIE-LAB	lab(11.07, 24.23, -18.38)
CIE-LCH	lch(11.07, 30.41, 322.81°)
OKLab	oklab(24.37% 0.0641 -0.0512)
OKLCH	oklch(24.37% 0.082 321.4)
XYZ	xyz(2.1270, 1.2706, 3.7469)
Luminance	0.0127 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F37 #15370F

analogous

#1D0F37 #310F37 #370F29

triadic

#310F37 #37310F #0F3731

tetradic

#310F37 #371D0F #15370F #0F2937

square

#310F37 #371D0F #15370F #0F2937

split-complementary

#310F37 #29370F #0F371D

monochromatic

#150718 #150718 #310F37 #5C1C67 #872997

Accessibility & contrast

On white

16.75

#310F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F37

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F37	#FFFFFF	#000000	##FFFFFF
##310F37	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061B38

Deuteranopia (green-blind)

#131F36

Tritanopia (blue-blind)

#321521

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310f37;
/* rgb */ color: rgb(49, 15, 55);
/* oklch */ color: oklch(24.4% 0.082 321.4);

Tailwind

colors: {
  custom: {
    50: '#6b506e',
    500: '#310f37',
    950: '#000000',
  },
}

SCSS

$custom: #310f37;
$custom-light: #6b506e;
$custom-dark: #000000;

JSON

{
  "hex": "#310f37",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 55
  },
  "hsl": {
    "h": 291,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24372,
    "c": 0.08203,
    "h": 321.4
  },
  "luminance": 0.0127
}

Semantic roles & 50–950 ramp

primary

#310F37

secondary

#3A7131

accent

#E0475E

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070207

muted

#7A787A

Preview Lab

Preview with #310F37

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

Preview Lab → · Contrast checker → · Palette generator →