#310C47#310C47

#310C47 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.3% C 0.105 H 309.3°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#310C47
RGB	rgb(49, 12, 71)
HSL	hsl(278, 71%, 16%)
HSV	hsv(278, 83%, 28%)
CMYK	cmyk(31%, 83.1%, 0%, 72.2%)
CIE-LAB	lab(11.76, 29.73, -28.62)
CIE-LCH	lch(11.76, 41.27, 316.08°)
OKLab	oklab(25.26% 0.0665 -0.0812)
OKLCH	oklch(25.26% 0.105 309.3)
XYZ	xyz(2.5352, 1.3709, 6.0911)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C47 #22470C

analogous

#140C47 #310C47 #470C40

triadic

#310C47 #47310C #0C4731

tetradic

#310C47 #47140C #22470C #0C4047

square

#310C47 #47140C #22470C #0C4047

split-complementary

#310C47 #40470C #0C4714

monochromatic

#12041A #12041A #310C47 #55157B #791EB0

Accessibility & contrast

On white

16.48

#310C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C47

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C47	#FFFFFF	#000000	##FFFFFF
##310C47	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E49

Deuteranopia (green-blind)

#001F46

Tritanopia (blue-blind)

#2E1A29

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310c47;
/* rgb */ color: rgb(49, 12, 71);
/* oklch */ color: oklch(25.3% 0.105 309.3);

Tailwind

colors: {
  custom: {
    50: '#6c4f7b',
    500: '#310c47',
    950: '#000000',
  },
}

SCSS

$custom: #310c47;
$custom-light: #6c4f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#310c47",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 71
  },
  "hsl": {
    "h": 277.627,
    "s": 71.084,
    "l": 16.275
  },
  "oklch": {
    "l": 0.25264,
    "c": 0.10491,
    "h": 309.3
  },
  "luminance": 0.01371
}

Semantic roles & 50–950 ramp

primary

#310C47

secondary

#4C832C

accent

#EE3A7D

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310C47

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

Preview Lab → · Contrast checker → · Palette generator →