#3F1F91#3F1F91

#3F1F91 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.172 H 287.2°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F1F91
RGB	rgb(63, 31, 145)
HSL	hsl(257, 65%, 35%)
HSV	hsv(257, 79%, 57%)
CMYK	cmyk(56.6%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(23.94, 43.73, -57.05)
CIE-LCH	lch(23.94, 71.89, 307.47°)
OKLab	oklab(36.4% 0.051 -0.1642)
OKLCH	oklch(36.4% 0.172 287.2)
XYZ	xyz(7.6492, 4.0807, 27.1672)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1F91 #71911F

analogous

#1F3891 #3F1F91 #781F91

triadic

#3F1F91 #913F1F #1F913F

tetradic

#3F1F91 #911F38 #71911F #1F9178

square

#3F1F91 #911F38 #71911F #1F9178

split-complementary

#3F1F91 #91781F #38911F

monochromatic

#13092C #29145F #3F1F91 #552AC3 #7751DA

Accessibility & contrast

On white

11.56

#3F1F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#3F1F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F91

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1F91	#FFFFFF	#000000	##FFFFFF
##3F1F91	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C94

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#1B4057

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #3f1f91;
/* rgb */ color: rgb(63, 31, 145);
/* oklch */ color: oklch(36.4% 0.172 287.2);

Tailwind

colors: {
  custom: {
    50: '#7e5fb2',
    500: '#3f1f91',
    950: '#000000',
  },
}

SCSS

$custom: #3f1f91;
$custom-light: #7e5fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1f91",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 256.842,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36396,
    "c": 0.17194,
    "h": 287.2
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary

#3F1F91

secondary

#9EBD4F

accent

#E840B9

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #3F1F91

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

Preview Lab → · Contrast checker → · Palette generator →