#3B105B#3B105B

#3B105B is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.0% C 0.125 H 305.8°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#3B105B
RGB	rgb(59, 16, 91)
HSL	hsl(274, 70%, 21%)
HSV	hsv(274, 82%, 36%)
CMYK	cmyk(35.2%, 82.4%, 0%, 64.3%)
CIE-LAB	lab(15.78, 35.14, -35.71)
CIE-LCH	lch(15.78, 50.10, 314.54°)
OKLab	oklab(28.98% 0.0734 -0.1016)
OKLCH	oklch(28.98% 0.125 305.8)
XYZ	xyz(3.8768, 2.0558, 10.0881)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B105B #305B10

analogous

#15105B #3B105B #5B1055

triadic

#3B105B #5B3B10 #105B3B

tetradic

#3B105B #5B1510 #305B10 #10555B

square

#3B105B #5B1510 #305B10 #10555B

split-complementary

#3B105B #555B10 #105B15

monochromatic

#11051A #190727 #3B105B #5D198F #7E22C3

Accessibility & contrast

On white

14.88

#3B105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#3B105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B105B

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B105B	#FFFFFF	#000000	##FFFFFF
##3B105B	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#00275A

Tritanopia (blue-blind)

#352335

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #3b105b;
/* rgb */ color: rgb(59, 16, 91);
/* oklch */ color: oklch(29.0% 0.125 305.8);

Tailwind

colors: {
  custom: {
    50: '#75548a',
    500: '#3b105b',
    950: '#000000',
  },
}

SCSS

$custom: #3b105b;
$custom-light: #75548a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b105b",
  "rgb": {
    "r": 59,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 274.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28983,
    "c": 0.12535,
    "h": 305.8
  },
  "luminance": 0.02056
}

Semantic roles & 50–950 ramp

primary

#3B105B

secondary

#5C9433

accent

#ED3B87

background

#F7F5F8

surface

#EDE8F0

border

#C8C4CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #3B105B

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

Preview Lab → · Contrast checker → · Palette generator →