#31105F#31105F

#31105F is a dark, vivid violet. Relative luminance 0.018; OKLCH L 28.0% C 0.128 H 295.8°. Best body text is #FFFFFF at 15.33:1 contrast (WCAG AA passes).

Color values

HEX	#31105F
RGB	rgb(49, 16, 95)
HSL	hsl(265, 71%, 22%)
HSV	hsv(265, 83%, 37%)
CMYK	cmyk(48.4%, 83.2%, 0%, 62.7%)
CIE-LAB	lab(14.68, 34.38, -40.24)
CIE-LCH	lch(14.68, 52.93, 310.51°)
OKLab	oklab(28.01% 0.0558 -0.1153)
OKLCH	oklch(28.01% 0.128 295.8)
XYZ	xyz(3.5169, 1.8497, 10.9960)
Luminance	0.0185 (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

#31105F #3E5F10

analogous

#10175F #31105F #59105F

triadic

#31105F #5F3110 #105F31

tetradic

#31105F #5F1017 #3E5F10 #105F59

square

#31105F #5F1017 #3E5F10 #105F59

split-complementary

#31105F #5F5910 #175F10

monochromatic

#0E041A #16072B #31105F #4C1993 #6722C8

Accessibility & contrast

On white

15.33

#31105F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#31105F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31105F

15.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31105F	#FFFFFF	#000000	##FFFFFF
##31105F	1.00	15.33	1.37	15.33
#FFFFFF	15.33	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002661

Deuteranopia (green-blind)

#00245E

Tritanopia (blue-blind)

#242637

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #31105f;
/* rgb */ color: rgb(49, 16, 95);
/* oklch */ color: oklch(28.0% 0.128 295.8);

Tailwind

colors: {
  custom: {
    50: '#6f538d',
    500: '#31105f',
    950: '#000000',
  },
}

SCSS

$custom: #31105f;
$custom-light: #6f538d;
$custom-dark: #000000;

JSON

{
  "hex": "#31105f",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 95
  },
  "hsl": {
    "h": 265.063,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.2801,
    "c": 0.12812,
    "h": 295.8
  },
  "luminance": 0.0185
}

Semantic roles & 50–950 ramp

primary

#31105F

secondary

#6E9833

accent

#EE3AA3

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #31105F

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

Preview Lab → · Contrast checker → · Palette generator →