#33105B#33105B

#33105B is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.9% C 0.124 H 299.2°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#33105B
RGB	rgb(51, 16, 91)
HSL	hsl(268, 70%, 21%)
HSV	hsv(268, 82%, 36%)
CMYK	cmyk(44%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(14.57, 33.61, -37.74)
CIE-LCH	lch(14.57, 50.53, 311.69°)
OKLab	oklab(27.87% 0.0604 -0.1079)
OKLCH	oklch(27.87% 0.124 299.2)
XYZ	xyz(3.4384, 1.8297, 10.0675)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.66

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33105B #385B10

analogous

#10125B #33105B #58105B

triadic

#33105B #5B3310 #105B33

tetradic

#33105B #5B1012 #385B10 #105B58

square

#33105B #5B1012 #385B10 #105B58

split-complementary

#33105B #5B5810 #125B10

monochromatic

#0F051A #160727 #33105B #50198F #6D22C3

Accessibility & contrast

On white

15.37

#33105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#33105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33105B

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33105B	#FFFFFF	#000000	##FFFFFF
##33105B	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)

#00255D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#292435

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #33105b;
/* rgb */ color: rgb(51, 16, 91);
/* oklch */ color: oklch(27.9% 0.124 299.2);

Tailwind

colors: {
  custom: {
    50: '#6f538a',
    500: '#33105b',
    950: '#000000',
  },
}

SCSS

$custom: #33105b;
$custom-light: #6f538a;
$custom-dark: #000000;

JSON

{
  "hex": "#33105b",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 268,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27874,
    "c": 0.12365,
    "h": 299.2
  },
  "luminance": 0.0183
}

Semantic roles & 50–950 ramp

primary

#33105B

secondary

#679433

accent

#ED3B9A

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #33105B

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

Preview Lab → · Contrast checker → · Palette generator →