#310D37#310D37

#310D37 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.1% C 0.085 H 321.7°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#310D37
RGB	rgb(49, 13, 55)
HSL	hsl(291, 62%, 13%)
HSV	hsv(291, 76%, 22%)
CMYK	cmyk(10.9%, 76.4%, 0%, 78.4%)
CIE-LAB	lab(10.68, 25.30, -19.00)
CIE-LCH	lch(10.68, 31.64, 323.10°)
OKLab	oklab(24.09% 0.067 -0.053)
OKLCH	oklch(24.09% 0.085 321.7)
XYZ	xyz(2.1001, 1.2168, 3.7379)
Luminance	0.0122 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D37 #13370D

analogous

#1C0D37 #310D37 #370D28

triadic

#310D37 #37310D #0D3731

tetradic

#310D37 #371C0D #13370D #0D2837

square

#310D37 #371C0D #13370D #0D2837

split-complementary

#310D37 #28370D #0D371C

monochromatic

#160619 #160619 #310D37 #5D1968 #89249A

Accessibility & contrast

On white

16.89

#310D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#310D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D37

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D37	#FFFFFF	#000000	##FFFFFF
##310D37	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041A38

Deuteranopia (green-blind)

#121E36

Tritanopia (blue-blind)

#321420

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #310d37;
/* rgb */ color: rgb(49, 13, 55);
/* oklch */ color: oklch(24.1% 0.085 321.7);

Tailwind

colors: {
  custom: {
    50: '#6b4f6e',
    500: '#310d37',
    950: '#000000',
  },
}

SCSS

$custom: #310d37;
$custom-light: #6b4f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#310d37",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 55
  },
  "hsl": {
    "h": 291.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24092,
    "c": 0.08541,
    "h": 321.7
  },
  "luminance": 0.01217
}

Semantic roles & 50–950 ramp

primary

#310D37

secondary

#37722D

accent

#E5435A

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070207

muted

#7A787A

Preview Lab

Preview with #310D37

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

Preview Lab → · Contrast checker → · Palette generator →