#3F1C81#3F1C81

#3F1C81 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.5% C 0.156 H 291.8°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F1C81
RGB	rgb(63, 28, 129)
HSL	hsl(261, 64%, 31%)
HSV	hsv(261, 78%, 51%)
CMYK	cmyk(51.2%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(21.84, 40.58, -50.48)
CIE-LCH	lch(21.84, 64.77, 308.79°)
OKLab	oklab(34.45% 0.058 -0.1449)
OKLCH	oklch(34.45% 0.156 291.8)
XYZ	xyz(6.4265, 3.4720, 21.0962)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1C81 #5E811C

analogous

#1C2B81 #3F1C81 #711C81

triadic

#3F1C81 #813F1C #1C813F

tetradic

#3F1C81 #811C2B #5E811C #1C8171

square

#3F1C81 #811C2B #5E811C #1C8171

split-complementary

#3F1C81 #81711C #2B811C

monochromatic

#0E061C #26114F #3F1C81 #5827B3 #7542D6

Accessibility & contrast

On white

12.39

#3F1C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#3F1C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1C81

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1C81	#FFFFFF	#000000	##FFFFFF
##3F1C81	1.00	12.39	1.69	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00327F

Tritanopia (blue-blind)

#29384D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #3f1c81;
/* rgb */ color: rgb(63, 28, 129);
/* oklch */ color: oklch(34.5% 0.156 291.8);

Tailwind

colors: {
  custom: {
    50: '#7c5ca7',
    500: '#3f1c81',
    950: '#000000',
  },
}

SCSS

$custom: #3f1c81;
$custom-light: #7c5ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1c81",
  "rgb": {
    "r": 63,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 260.792,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34451,
    "c": 0.15613,
    "h": 291.8
  },
  "luminance": 0.03472
}

Semantic roles & 50–950 ramp

primary

#3F1C81

secondary

#8EB444

accent

#E740AE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F1C81

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

Preview Lab → · Contrast checker → · Palette generator →