#3F1B74#3F1B74

#3F1B74 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.142 H 296.1°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B74
RGB	rgb(63, 27, 116)
HSL	hsl(264, 62%, 28%)
HSV	hsv(264, 77%, 45%)
CMYK	cmyk(45.7%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(20.45, 37.39, -44.48)
CIE-LCH	lch(20.45, 58.11, 310.05°)
OKLab	oklab(33.09% 0.0625 -0.1273)
OKLCH	oklch(33.09% 0.142 296.1)
XYZ	xyz(5.5934, 3.1015, 16.8236)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B74 #50741B

analogous

#1B2374 #3F1B74 #6B1B74

triadic

#3F1B74 #743F1B #1B743F

tetradic

#3F1B74 #741B23 #50741B #1B746B

square

#3F1B74 #741B23 #50741B #1B746B

split-complementary

#3F1B74 #746B1B #23741B

monochromatic

#0D0619 #240F42 #3F1B74 #5A27A6 #7639D1

Accessibility & contrast

On white

12.96

#3F1B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#3F1B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B74

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B74	#FFFFFF	#000000	##FFFFFF
##3F1B74	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#313246

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #3f1b74;
/* rgb */ color: rgb(63, 27, 116);
/* oklch */ color: oklch(33.1% 0.142 296.1);

Tailwind

colors: {
  custom: {
    50: '#7a5b9d',
    500: '#3f1b74',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b74;
$custom-light: #7a5b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b74",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 264.27,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33093,
    "c": 0.14182,
    "h": 296.1
  },
  "luminance": 0.03102
}

Semantic roles & 50–950 ramp

primary

#3F1B74

secondary

#7FA942

accent

#E542A3

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #3F1B74

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

Preview Lab → · Contrast checker → · Palette generator →