#3F1F97#3F1F97

#3F1F97 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.179 H 285.9°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F1F97
RGB	rgb(63, 31, 151)
HSL	hsl(256, 66%, 36%)
HSV	hsv(256, 79%, 59%)
CMYK	cmyk(58.3%, 79.5%, 0%, 40.8%)
CIE-LAB	lab(24.55, 45.48, -59.75)
CIE-LCH	lch(24.55, 75.09, 307.28°)
OKLab	oklab(37% 0.0491 -0.1721)
OKLCH	oklch(37% 0.179 285.9)
XYZ	xyz(8.1241, 4.2706, 29.6684)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1F97 #77971F

analogous

#1F3B97 #3F1F97 #7B1F97

triadic

#3F1F97 #973F1F #1F973F

tetradic

#3F1F97 #971F3B #77971F #1F977B

square

#3F1F97 #971F3B #77971F #1F977B

split-complementary

#3F1F97 #977B1F #3B971F

monochromatic

#150A31 #2A1564 #3F1F97 #5429CA #7954DC

Accessibility & contrast

On white

11.33

#3F1F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#3F1F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F97

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1F97	#FFFFFF	#000000	##FFFFFF
##3F1F97	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9A

Deuteranopia (green-blind)

#003795

Tritanopia (blue-blind)

#12425B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3f1f97;
/* rgb */ color: rgb(63, 31, 151);
/* oklch */ color: oklch(37.0% 0.179 285.9);

Tailwind

colors: {
  custom: {
    50: '#7f5fb7',
    500: '#3f1f97',
    950: '#000000',
  },
}

SCSS

$custom: #3f1f97;
$custom-light: #7f5fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1f97",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 151
  },
  "hsl": {
    "h": 256,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37005,
    "c": 0.17897,
    "h": 285.9
  },
  "luminance": 0.04271
}

Semantic roles & 50–950 ramp

primary

#3F1F97

secondary

#A2BF52

accent

#E93FBC

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #3F1F97

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

Preview Lab → · Contrast checker → · Palette generator →