#31105E#31105E

#31105E is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.9% C 0.127 H 296.2°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#31105E
RGB	rgb(49, 16, 94)
HSL	hsl(265, 71%, 22%)
HSV	hsv(265, 83%, 37%)
CMYK	cmyk(47.9%, 83%, 0%, 63.1%)
CIE-LAB	lab(14.58, 34.10, -39.74)
CIE-LCH	lch(14.58, 52.36, 310.63°)
OKLab	oklab(27.91% 0.0561 -0.1139)
OKLCH	oklch(27.91% 0.127 296.2)
XYZ	xyz(3.4718, 1.8316, 10.7581)
Luminance	0.0183 (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

#31105E #3D5E10

analogous

#10165E #31105E #58105E

triadic

#31105E #5E3110 #105E31

tetradic

#31105E #5E1016 #3D5E10 #105E58

square

#31105E #5E1016 #3D5E10 #105E58

split-complementary

#31105E #5E5810 #165E10

monochromatic

#0E041A #16072A #31105E #4C1992 #6822C7

Accessibility & contrast

On white

15.37

#31105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#31105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31105E

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31105E	#FFFFFF	#000000	##FFFFFF
##31105E	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#00245D

Tritanopia (blue-blind)

#252537

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #31105e;
/* rgb */ color: rgb(49, 16, 94);
/* oklch */ color: oklch(27.9% 0.127 296.2);

Tailwind

colors: {
  custom: {
    50: '#6f538c',
    500: '#31105e',
    950: '#000000',
  },
}

SCSS

$custom: #31105e;
$custom-light: #6f538c;
$custom-dark: #000000;

JSON

{
  "hex": "#31105e",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 265.385,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.2791,
    "c": 0.12693,
    "h": 296.2
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#31105E

secondary

#6D9733

accent

#EE3AA2

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #31105E

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

Preview Lab → · Contrast checker → · Palette generator →