#310B3A#310B3A

#310B3A is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.1% C 0.092 H 319.3°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#310B3A
RGB	rgb(49, 11, 58)
HSL	hsl(289, 68%, 14%)
HSV	hsv(289, 81%, 23%)
CMYK	cmyk(15.5%, 81%, 0%, 77.3%)
CIE-LAB	lab(10.54, 27.00, -21.38)
CIE-LCH	lch(10.54, 34.44, 321.62°)
OKLab	oklab(24.06% 0.0696 -0.0599)
OKLCH	oklch(24.06% 0.092 319.3)
XYZ	xyz(2.1499, 1.1979, 4.1201)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B3A #143A0B

analogous

#190B3A #310B3A #3A0B2B

triadic

#310B3A #3A310B #0B3A31

tetradic

#310B3A #3A190B #143A0B #0B2B3A

square

#310B3A #3A190B #143A0B #0B2B3A

split-complementary

#310B3A #2B3A0B #0B3A19

monochromatic

#16051A #16051A #310B3A #5C156D #881FA1

Accessibility & contrast

On white

16.94

#310B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#310B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B3A

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B3A	#FFFFFF	#000000	##FFFFFF
##310B3A	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3B

Deuteranopia (green-blind)

#0E1E39

Tritanopia (blue-blind)

#311421

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310b3a;
/* rgb */ color: rgb(49, 11, 58);
/* oklch */ color: oklch(24.1% 0.092 319.3);

Tailwind

colors: {
  custom: {
    50: '#6b4e70',
    500: '#310b3a',
    950: '#000000',
  },
}

SCSS

$custom: #310b3a;
$custom-light: #6b4e70;
$custom-dark: #000000;

JSON

{
  "hex": "#310b3a",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 288.511,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24062,
    "c": 0.09181,
    "h": 319.3
  },
  "luminance": 0.01198
}

Semantic roles & 50–950 ramp

primary

#310B3A

secondary

#39772A

accent

#EB3D5E

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #310B3A

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

Preview Lab → · Contrast checker → · Palette generator →