#3F1B8D#3F1B8D

#3F1B8D is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.171 H 288.8°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B8D
RGB	rgb(63, 27, 141)
HSL	hsl(259, 68%, 33%)
HSV	hsv(259, 81%, 55%)
CMYK	cmyk(55.3%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(22.87, 44.47, -56.32)
CIE-LCH	lch(22.87, 71.76, 308.30°)
OKLab	oklab(35.53% 0.0551 -0.162)
OKLCH	oklch(35.53% 0.171 288.8)
XYZ	xyz(7.2481, 3.7634, 25.5386)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B8D #698D1B

analogous

#1B308D #3F1B8D #781B8D

triadic

#3F1B8D #8D3F1B #1B8D3F

tetradic

#3F1B8D #8D1B30 #698D1B #1B8D78

square

#3F1B8D #8D1B30 #698D1B #1B8D78

split-complementary

#3F1B8D #8D781B #308D1B

monochromatic

#110726 #28115A #3F1B8D #5625C0 #7647DC

Accessibility & contrast

On white

11.98

#3F1B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#3F1B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B8D

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B8D	#FFFFFF	#000000	##FFFFFF
##3F1B8D	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#1F3C54

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #3f1b8d;
/* rgb */ color: rgb(63, 27, 141);
/* oklch */ color: oklch(35.5% 0.171 288.8);

Tailwind

colors: {
  custom: {
    50: '#7e5daf',
    500: '#3f1b8d',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b8d;
$custom-light: #7e5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b8d",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 258.947,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35532,
    "c": 0.17113,
    "h": 288.8
  },
  "luminance": 0.03764
}

Semantic roles & 50–950 ramp

primary

#3F1B8D

secondary

#98BD46

accent

#EB3DB4

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3F1B8D

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

Preview Lab → · Contrast checker → · Palette generator →