#31115B#31115B

#31115B is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.7% C 0.122 H 297.3°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#31115B
RGB	rgb(49, 17, 91)
HSL	hsl(266, 69%, 21%)
HSV	hsv(266, 81%, 36%)
CMYK	cmyk(46.2%, 81.3%, 0%, 64.3%)
CIE-LAB	lab(14.45, 32.76, -37.94)
CIE-LCH	lch(14.45, 50.12, 310.81°)
OKLab	oklab(27.73% 0.0561 -0.1086)
OKLCH	oklch(27.73% 0.122 297.3)
XYZ	xyz(3.3549, 1.8091, 10.0679)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.34

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31115B #3B5B11

analogous

#11165B #31115B #56115B

triadic

#31115B #5B3111 #115B31

tetradic

#31115B #5B1116 #3B5B11 #115B56

square

#31115B #5B1116 #3B5B11 #115B56

split-complementary

#31115B #5B5611 #165B11

monochromatic

#0E051A #150727 #31115B #4D1B8F #6924C2

Accessibility & contrast

On white

15.42

#31115B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#31115B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31115B

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31115B	#FFFFFF	#000000	##FFFFFF
##31115B	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#262535

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #31115b;
/* rgb */ color: rgb(49, 17, 91);
/* oklch */ color: oklch(27.7% 0.122 297.3);

Tailwind

colors: {
  custom: {
    50: '#6e538a',
    500: '#31115b',
    950: '#000000',
  },
}

SCSS

$custom: #31115b;
$custom-light: #6e538a;
$custom-dark: #000000;

JSON

{
  "hex": "#31115b",
  "rgb": {
    "r": 49,
    "g": 17,
    "b": 91
  },
  "hsl": {
    "h": 265.946,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27731,
    "c": 0.12221,
    "h": 297.3
  },
  "luminance": 0.01809
}

Semantic roles & 50–950 ramp

primary

#31115B

secondary

#6A9434

accent

#EB3CA0

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #31115B

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

Preview Lab → · Contrast checker → · Palette generator →