#3C1B71#3C1B71

#3C1B71 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.5% C 0.138 H 295.1°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#3C1B71
RGB	rgb(60, 27, 113)
HSL	hsl(263, 61%, 27%)
HSV	hsv(263, 76%, 44%)
CMYK	cmyk(46.9%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(19.79, 35.98, -43.64)
CIE-LCH	lch(19.79, 56.56, 309.51°)
OKLab	oklab(32.46% 0.0584 -0.125)
OKLCH	oklch(32.46% 0.138 295.1)
XYZ	xyz(5.2352, 2.9366, 15.9106)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo (survey)

#380282

ΔE00 4.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C1B71 #50711B

analogous

#1B2571 #3C1B71 #671B71

triadic

#3C1B71 #713C1B #1B713C

tetradic

#3C1B71 #711B25 #50711B #1B7167

square

#3C1B71 #711B25 #50711B #1B7167

split-complementary

#3C1B71 #71671B #25711B

monochromatic

#0D0619 #220F40 #3C1B71 #5627A2 #7237CF

Accessibility & contrast

On white

13.23

#3C1B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#3C1B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C1B71

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C1B71	#FFFFFF	#000000	##FFFFFF
##3C1B71	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#002E6F

Tritanopia (blue-blind)

#2D3144

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #3c1b71;
/* rgb */ color: rgb(60, 27, 113);
/* oklch */ color: oklch(32.5% 0.138 295.1);

Tailwind

colors: {
  custom: {
    50: '#775b9b',
    500: '#3c1b71',
    950: '#000000',
  },
}

SCSS

$custom: #3c1b71;
$custom-light: #775b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#3c1b71",
  "rgb": {
    "r": 60,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 263.023,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.32458,
    "c": 0.13795,
    "h": 295.1
  },
  "luminance": 0.02937
}

Semantic roles & 50–950 ramp

primary

#3C1B71

secondary

#7FA642

accent

#E543A7

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #3C1B71

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

Preview Lab → · Contrast checker → · Palette generator →