#3F1B79#3F1B79

#3F1B79 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.148 H 294.4°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B79
RGB	rgb(63, 27, 121)
HSL	hsl(263, 64%, 29%)
HSV	hsv(263, 78%, 47%)
CMYK	cmyk(47.9%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(20.91, 38.80, -46.93)
CIE-LCH	lch(20.91, 60.89, 309.58°)
OKLab	oklab(33.56% 0.0612 -0.1345)
OKLCH	oklch(33.56% 0.148 294.4)
XYZ	xyz(5.8921, 3.2209, 18.3967)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B79 #55791B

analogous

#1B2679 #3F1B79 #6E1B79

triadic

#3F1B79 #793F1B #1B793F

tetradic

#3F1B79 #791B26 #55791B #1B796E

square

#3F1B79 #791B26 #55791B #1B796E

split-complementary

#3F1B79 #796E1B #26791B

monochromatic

#0D0619 #251047 #3F1B79 #5926AB #753BD3

Accessibility & contrast

On white

12.77

#3F1B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F1B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B79

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B79	#FFFFFF	#000000	##FFFFFF
##3F1B79	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#003177

Tritanopia (blue-blind)

#2E3449

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f1b79;
/* rgb */ color: rgb(63, 27, 121);
/* oklch */ color: oklch(33.6% 0.148 294.4);

Tailwind

colors: {
  custom: {
    50: '#7a5ba1',
    500: '#3f1b79',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b79;
$custom-light: #7a5ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b79",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 262.979,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33561,
    "c": 0.14777,
    "h": 294.4
  },
  "luminance": 0.03221
}

Semantic roles & 50–950 ramp

primary

#3F1B79

secondary

#84AD43

accent

#E741A7

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F1B79

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

Preview Lab → · Contrast checker → · Palette generator →