#310D4C#310D4C

#310D4C is a dark, moderate violet. Relative luminance 0.015; OKLCH L 25.8% C 0.109 H 306.0°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#310D4C
RGB	rgb(49, 13, 76)
HSL	hsl(274, 71%, 17%)
HSV	hsv(274, 83%, 30%)
CMYK	cmyk(35.5%, 82.9%, 0%, 70.2%)
CIE-LAB	lab(12.37, 30.56, -31.12)
CIE-LCH	lch(12.37, 43.61, 314.49°)
OKLab	oklab(25.83% 0.0642 -0.0885)
OKLCH	oklch(25.83% 0.109 306)
XYZ	xyz(2.7148, 1.4626, 6.9754)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D4C #284C0D

analogous

#120D4C #310D4C #4C0D47

triadic

#310D4C #4C310D #0D4C31

tetradic

#310D4C #4C120D #284C0D #0D474C

square

#310D4C #4C120D #284C0D #0D474C

split-complementary

#310D4C #474C0D #0D4C12

monochromatic

#11041A #11041A #310D4C #531680 #741FB5

Accessibility & contrast

On white

16.25

#310D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#310D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D4C

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D4C	#FFFFFF	#000000	##FFFFFF
##310D4C	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4E

Deuteranopia (green-blind)

#00204B

Tritanopia (blue-blind)

#2C1D2C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310d4c;
/* rgb */ color: rgb(49, 13, 76);
/* oklch */ color: oklch(25.8% 0.109 306.0);

Tailwind

colors: {
  custom: {
    50: '#6c507f',
    500: '#310d4c',
    950: '#000000',
  },
}

SCSS

$custom: #310d4c;
$custom-light: #6c507f;
$custom-dark: #000000;

JSON

{
  "hex": "#310d4c",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 76
  },
  "hsl": {
    "h": 274.286,
    "s": 70.787,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2583,
    "c": 0.10935,
    "h": 306
  },
  "luminance": 0.01463
}

Semantic roles & 50–950 ramp

primary

#310D4C

secondary

#54872E

accent

#EE3A87

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310D4C

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

Preview Lab → · Contrast checker → · Palette generator →