#31105A#31105A

#31105A is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.5% C 0.122 H 298.0°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#31105A
RGB	rgb(49, 16, 90)
HSL	hsl(267, 70%, 21%)
HSV	hsv(267, 82%, 35%)
CMYK	cmyk(45.6%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(14.18, 32.96, -37.70)
CIE-LCH	lch(14.18, 50.08, 311.16°)
OKLab	oklab(27.51% 0.0573 -0.1079)
OKLCH	oklch(27.51% 0.122 298)
XYZ	xyz(3.2969, 1.7617, 9.8372)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.30

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31105A #395A10

analogous

#10145A #31105A #56105A

triadic

#31105A #5A3110 #105A31

tetradic

#31105A #5A1014 #395A10 #105A56

square

#31105A #5A1014 #395A10 #105A56

split-complementary

#31105A #5A5610 #145A10

monochromatic

#0E051A #150726 #31105A #4D198E #6A22C2

Accessibility & contrast

On white

15.53

#31105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#31105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31105A

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31105A	#FFFFFF	#000000	##FFFFFF
##31105A	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#002359

Tritanopia (blue-blind)

#272434

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #31105a;
/* rgb */ color: rgb(49, 16, 90);
/* oklch */ color: oklch(27.5% 0.122 298.0);

Tailwind

colors: {
  custom: {
    50: '#6e5289',
    500: '#31105a',
    950: '#000000',
  },
}

SCSS

$custom: #31105a;
$custom-light: #6e5289;
$custom-dark: #000000;

JSON

{
  "hex": "#31105a",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 266.757,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27513,
    "c": 0.12218,
    "h": 298
  },
  "luminance": 0.01762
}

Semantic roles & 50–950 ramp

primary

#31105A

secondary

#689333

accent

#ED3B9D

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #31105A

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

Preview Lab → · Contrast checker → · Palette generator →