#3B105D#3B105D

#3B105D is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.2% C 0.128 H 304.8°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#3B105D
RGB	rgb(59, 16, 93)
HSL	hsl(274, 71%, 21%)
HSV	hsv(274, 83%, 36%)
CMYK	cmyk(36.6%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(15.96, 35.66, -36.76)
CIE-LCH	lch(15.96, 51.21, 314.13°)
OKLab	oklab(29.16% 0.0728 -0.1047)
OKLCH	oklch(29.16% 0.128 304.8)
XYZ	xyz(3.9643, 2.0907, 10.5485)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B105D #325D10

analogous

#14105D #3B105D #5D1059

triadic

#3B105D #5D3B10 #105D3B

tetradic

#3B105D #5D1410 #325D10 #10595D

square

#3B105D #5D1410 #325D10 #10595D

split-complementary

#3B105D #595D10 #105D14

monochromatic

#11041A #1A0729 #3B105D #5C1991 #7D22C5

Accessibility & contrast

On white

14.81

#3B105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#3B105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B105D

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B105D	#FFFFFF	#000000	##FFFFFF
##3B105D	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275F

Deuteranopia (green-blind)

#00285B

Tritanopia (blue-blind)

#342436

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #3b105d;
/* rgb */ color: rgb(59, 16, 93);
/* oklch */ color: oklch(29.2% 0.128 304.8);

Tailwind

colors: {
  custom: {
    50: '#75548c',
    500: '#3b105d',
    950: '#000000',
  },
}

SCSS

$custom: #3b105d;
$custom-light: #75548c;
$custom-dark: #000000;

JSON

{
  "hex": "#3b105d",
  "rgb": {
    "r": 59,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 273.506,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.29164,
    "c": 0.12756,
    "h": 304.8
  },
  "luminance": 0.02091
}

Semantic roles & 50–950 ramp

primary

#3B105D

secondary

#5F9633

accent

#ED3A89

background

#F7F5F8

surface

#EDE8F0

border

#C8C4CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #3B105D

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

Preview Lab → · Contrast checker → · Palette generator →