#310D3F#310D3F

#310D3F is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.094 H 314.8°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#310D3F
RGB	rgb(49, 13, 63)
HSL	hsl(283, 66%, 15%)
HSV	hsv(283, 79%, 25%)
CMYK	cmyk(22.2%, 79.4%, 0%, 75.3%)
CIE-LAB	lab(11.27, 27.22, -23.78)
CIE-LCH	lch(11.27, 36.14, 318.86°)
OKLab	oklab(24.71% 0.0666 -0.067)
OKLCH	oklch(24.71% 0.094 314.8)
XYZ	xyz(2.3076, 1.2998, 4.8310)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D3F #1B3F0D

analogous

#180D3F #310D3F #3F0D34

triadic

#310D3F #3F310D #0D3F31

tetradic

#310D3F #3F180D #1B3F0D #0D343F

square

#310D3F #3F180D #1B3F0D #0D343F

split-complementary

#310D3F #343F0D #0D3F18

monochromatic

#140519 #140519 #310D3F #581772 #8022A4

Accessibility & contrast

On white

16.67

#310D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D3F

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D3F	#FFFFFF	#000000	##FFFFFF
##310D3F	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C40

Deuteranopia (green-blind)

#0B1F3E

Tritanopia (blue-blind)

#301724

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310d3f;
/* rgb */ color: rgb(49, 13, 63);
/* oklch */ color: oklch(24.7% 0.094 314.8);

Tailwind

colors: {
  custom: {
    50: '#6b4f74',
    500: '#310d3f',
    950: '#000000',
  },
}

SCSS

$custom: #310d3f;
$custom-light: #6b4f74;
$custom-dark: #000000;

JSON

{
  "hex": "#310d3f",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 63
  },
  "hsl": {
    "h": 283.2,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24708,
    "c": 0.09441,
    "h": 314.8
  },
  "luminance": 0.013
}

Semantic roles & 50–950 ramp

primary

#310D3F

secondary

#437B2D

accent

#E93F6F

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #310D3F

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

Preview Lab → · Contrast checker → · Palette generator →