#31156B#31156B

#31156B is a dark, vivid violet. Relative luminance 0.023; OKLCH L 29.8% C 0.137 H 290.3°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#31156B
RGB	rgb(49, 21, 107)
HSL	hsl(260, 67%, 25%)
HSV	hsv(260, 80%, 42%)
CMYK	cmyk(54.2%, 80.4%, 0%, 58%)
CIE-LAB	lab(16.75, 35.43, -44.77)
CIE-LCH	lch(16.75, 57.09, 308.36°)
OKLab	oklab(29.83% 0.0477 -0.1286)
OKLCH	oklch(29.83% 0.137 290.3)
XYZ	xyz(4.1879, 2.2507, 14.1208)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.76

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31156B #4F6B15

analogous

#15246B #31156B #5C156B

triadic

#31156B #6B3115 #156B31

tetradic

#31156B #6B1524 #4F6B15 #156B5C

square

#31156B #6B1524 #4F6B15 #156B5C

split-complementary

#31156B #6B5C15 #246B15

monochromatic

#0C051A #1A0B38 #31156B #481F9E #6029D1

Accessibility & contrast

On white

14.48

#31156B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#31156B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31156B

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31156B	#FFFFFF	#000000	##FFFFFF
##31156B	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6D

Deuteranopia (green-blind)

#002769

Tritanopia (blue-blind)

#1C2D3F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #31156b;
/* rgb */ color: rgb(49, 21, 107);
/* oklch */ color: oklch(29.8% 0.137 290.3);

Tailwind

colors: {
  custom: {
    50: '#705696',
    500: '#31156b',
    950: '#000000',
  },
}

SCSS

$custom: #31156b;
$custom-light: #705696;
$custom-dark: #000000;

JSON

{
  "hex": "#31156b",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 107
  },
  "hsl": {
    "h": 259.535,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.2983,
    "c": 0.13719,
    "h": 290.3
  },
  "luminance": 0.02251
}

Semantic roles & 50–950 ramp

primary

#31156B

secondary

#80A23A

accent

#EA3EB2

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030D

muted

#7B787E

Preview Lab

Preview with #31156B

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

Preview Lab → · Contrast checker → · Palette generator →