#3F1B76#3F1B76

#3F1B76 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.144 H 295.4°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B76
RGB	rgb(63, 27, 118)
HSL	hsl(264, 63%, 28%)
HSV	hsv(264, 77%, 46%)
CMYK	cmyk(46.6%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(20.63, 37.95, -45.47)
CIE-LCH	lch(20.63, 59.23, 309.85°)
OKLab	oklab(33.28% 0.0619 -0.1302)
OKLCH	oklch(33.28% 0.144 295.4)
XYZ	xyz(5.7110, 3.1485, 17.4429)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B76 #52761B

analogous

#1B2476 #3F1B76 #6C1B76

triadic

#3F1B76 #763F1B #1B763F

tetradic

#3F1B76 #761B24 #52761B #1B766C

square

#3F1B76 #761B24 #52761B #1B766C

split-complementary

#3F1B76 #766C1B #24761B

monochromatic

#0D0619 #241044 #3F1B76 #5A26A8 #763AD2

Accessibility & contrast

On white

12.89

#3F1B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#3F1B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B76

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B76	#FFFFFF	#000000	##FFFFFF
##3F1B76	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003279

Deuteranopia (green-blind)

#003074

Tritanopia (blue-blind)

#303347

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f1b76;
/* rgb */ color: rgb(63, 27, 118);
/* oklch */ color: oklch(33.3% 0.144 295.4);

Tailwind

colors: {
  custom: {
    50: '#7a5b9e',
    500: '#3f1b76',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b76;
$custom-light: #7a5b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b76",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 263.736,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33279,
    "c": 0.14421,
    "h": 295.4
  },
  "luminance": 0.03149
}

Semantic roles & 50–950 ramp

primary

#3F1B76

secondary

#81AA42

accent

#E642A5

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #3F1B76

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

Preview Lab → · Contrast checker → · Palette generator →