#3F1B71#3F1B71

#3F1B71 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.138 H 297.2°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B71
RGB	rgb(63, 27, 113)
HSL	hsl(265, 61%, 27%)
HSV	hsv(265, 76%, 44%)
CMYK	cmyk(44.2%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(20.17, 36.55, -42.99)
CIE-LCH	lch(20.17, 56.43, 310.37°)
OKLab	oklab(32.82% 0.0632 -0.123)
OKLCH	oklch(32.82% 0.138 297.2)
XYZ	xyz(5.4217, 3.0328, 15.9193)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B71 #4D711B

analogous

#1B2271 #3F1B71 #6A1B71

triadic

#3F1B71 #713F1B #1B713F

tetradic

#3F1B71 #711B22 #4D711B #1B716A

square

#3F1B71 #711B22 #4D711B #1B716A

split-complementary

#3F1B71 #716A1B #22711B

monochromatic

#0E0619 #230F40 #3F1B71 #5B27A2 #7737CF

Accessibility & contrast

On white

13.07

#3F1B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#3F1B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B71

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B71	#FFFFFF	#000000	##FFFFFF
##3F1B71	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#00306F

Tritanopia (blue-blind)

#323144

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #3f1b71;
/* rgb */ color: rgb(63, 27, 113);
/* oklch */ color: oklch(32.8% 0.138 297.2);

Tailwind

colors: {
  custom: {
    50: '#795b9b',
    500: '#3f1b71',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b71;
$custom-light: #795b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b71",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 265.116,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.32818,
    "c": 0.13824,
    "h": 297.2
  },
  "luminance": 0.03033
}

Semantic roles & 50–950 ramp

primary

#3F1B71

secondary

#7CA642

accent

#E543A1

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #3F1B71

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

Preview Lab → · Contrast checker → · Palette generator →