#3B105C#3B105C

#3B105C is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.1% C 0.126 H 305.3°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#3B105C
RGB	rgb(59, 16, 92)
HSL	hsl(274, 70%, 21%)
HSV	hsv(274, 83%, 36%)
CMYK	cmyk(35.9%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(15.87, 35.40, -36.24)
CIE-LCH	lch(15.87, 50.66, 314.33°)
OKLab	oklab(29.07% 0.0731 -0.1032)
OKLCH	oklch(29.07% 0.126 305.3)
XYZ	xyz(3.9203, 2.0731, 10.3168)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B105C #315C10

analogous

#15105C #3B105C #5C1057

triadic

#3B105C #5C3B10 #105C3B

tetradic

#3B105C #5C1510 #315C10 #10575C

square

#3B105C #5C1510 #315C10 #10575C

split-complementary

#3B105C #575C10 #105C15

monochromatic

#11051A #1A0728 #3B105C #5C1990 #7E22C4

Accessibility & contrast

On white

14.85

#3B105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#3B105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B105C

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B105C	#FFFFFF	#000000	##FFFFFF
##3B105C	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#00285A

Tritanopia (blue-blind)

#352336

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #3b105c;
/* rgb */ color: rgb(59, 16, 92);
/* oklch */ color: oklch(29.1% 0.126 305.3);

Tailwind

colors: {
  custom: {
    50: '#75548b',
    500: '#3b105c',
    950: '#000000',
  },
}

SCSS

$custom: #3b105c;
$custom-light: #75548b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b105c",
  "rgb": {
    "r": 59,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 273.947,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29073,
    "c": 0.12645,
    "h": 305.3
  },
  "luminance": 0.02073
}

Semantic roles & 50–950 ramp

primary

#3B105C

secondary

#5D9533

accent

#ED3B88

background

#F7F5F8

surface

#EDE8F0

border

#C8C4CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #3B105C

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

Preview Lab → · Contrast checker → · Palette generator →