#310D4A#310D4A

#310D4A is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.6% C 0.107 H 307.2°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#310D4A
RGB	rgb(49, 13, 74)
HSL	hsl(275, 70%, 17%)
HSV	hsv(275, 82%, 29%)
CMYK	cmyk(33.8%, 82.4%, 0%, 71%)
CIE-LAB	lab(12.19, 30.03, -30.02)
CIE-LCH	lch(12.19, 42.46, 315.01°)
OKLab	oklab(25.65% 0.0647 -0.0853)
OKLCH	oklch(25.65% 0.107 307.2)
XYZ	xyz(2.6463, 1.4353, 6.6149)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D4A #264A0D

analogous

#130D4A #310D4A #4A0D45

triadic

#310D4A #4A310D #0D4A31

tetradic

#310D4A #4A130D #264A0D #0D454A

square

#310D4A #4A130D #264A0D #0D454A

split-complementary

#310D4A #454A0D #0D4A13

monochromatic

#11051A #11051A #310D4A #53167E #761FB2

Accessibility & contrast

On white

16.32

#310D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#310D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D4A

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D4A	#FFFFFF	#000000	##FFFFFF
##310D4A	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#002049

Tritanopia (blue-blind)

#2D1C2B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310d4a;
/* rgb */ color: rgb(49, 13, 74);
/* oklch */ color: oklch(25.6% 0.107 307.2);

Tailwind

colors: {
  custom: {
    50: '#6c507d',
    500: '#310d4a',
    950: '#000000',
  },
}

SCSS

$custom: #310d4a;
$custom-light: #6c507d;
$custom-dark: #000000;

JSON

{
  "hex": "#310d4a",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 74
  },
  "hsl": {
    "h": 275.41,
    "s": 70.115,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25649,
    "c": 0.10705,
    "h": 307.2
  },
  "luminance": 0.01435
}

Semantic roles & 50–950 ramp

primary

#310D4A

secondary

#51852E

accent

#ED3B84

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310D4A

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

Preview Lab → · Contrast checker → · Palette generator →