#310B47#310B47

#310B47 is a dark, moderate violet. Relative luminance 0.013; OKLCH L 25.2% C 0.106 H 309.5°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#310B47
RGB	rgb(49, 11, 71)
HSL	hsl(278, 73%, 16%)
HSV	hsv(278, 85%, 28%)
CMYK	cmyk(31%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(11.60, 30.18, -28.88)
CIE-LCH	lch(11.60, 41.78, 316.26°)
OKLab	oklab(25.15% 0.0675 -0.0819)
OKLCH	oklch(25.15% 0.106 309.5)
XYZ	xyz(2.5234, 1.3473, 6.0871)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B47 #21470B

analogous

#130B47 #310B47 #470B3F

triadic

#310B47 #47310B #0B4731

tetradic

#310B47 #47130B #21470B #0B3F47

square

#310B47 #47130B #21470B #0B3F47

split-complementary

#310B47 #3F470B #0B4713

monochromatic

#12041A #12041A #310B47 #56137C #7A1BB1

Accessibility & contrast

On white

16.54

#310B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B47

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B47	#FFFFFF	#000000	##FFFFFF
##310B47	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D49

Deuteranopia (green-blind)

#001F46

Tritanopia (blue-blind)

#2E1928

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310b47;
/* rgb */ color: rgb(49, 11, 71);
/* oklch */ color: oklch(25.2% 0.106 309.5);

Tailwind

colors: {
  custom: {
    50: '#6c4f7b',
    500: '#310b47',
    950: '#000000',
  },
}

SCSS

$custom: #310b47;
$custom-light: #6c4f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#310b47",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 278,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.25151,
    "c": 0.10617,
    "h": 309.5
  },
  "luminance": 0.01347
}

Semantic roles & 50–950 ramp

primary

#310B47

secondary

#4B832A

accent

#F0387B

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310B47

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

Preview Lab → · Contrast checker → · Palette generator →