#3F209B#3F209B

#3F209B is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.5% C 0.183 H 285.0°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F209B
RGB	rgb(63, 32, 155)
HSL	hsl(255, 66%, 37%)
HSV	hsv(255, 79%, 61%)
CMYK	cmyk(59.4%, 79.4%, 0%, 39.2%)
CIE-LAB	lab(25.12, 46.17, -61.26)
CIE-LCH	lch(25.12, 76.71, 307.01°)
OKLab	oklab(37.53% 0.0472 -0.1765)
OKLCH	oklch(37.53% 0.183 285)
XYZ	xyz(8.4810, 4.4558, 31.4171)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F209B #7C9B20

analogous

#203F9B #3F209B #7D209B

triadic

#3F209B #9B3F20 #209B3F

tetradic

#3F209B #9B203F #7C9B20 #209B7D

square

#3F209B #9B203F #7C9B20 #209B7D

split-complementary

#3F209B #9B7D20 #3F9B20

monochromatic

#160B36 #2A1668 #3F209B #542ACE #7A59DD

Accessibility & contrast

On white

11.10

#3F209B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3F209B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F209B

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F209B	#FFFFFF	#000000	##FFFFFF
##3F209B	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#09445D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f209b;
/* rgb */ color: rgb(63, 32, 155);
/* oklch */ color: oklch(37.5% 0.183 285.0);

Tailwind

colors: {
  custom: {
    50: '#8060ba',
    500: '#3f209b',
    950: '#000000',
  },
}

SCSS

$custom: #3f209b;
$custom-light: #8060ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f209b",
  "rgb": {
    "r": 63,
    "g": 32,
    "b": 155
  },
  "hsl": {
    "h": 255.122,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37532,
    "c": 0.1827,
    "h": 285
  },
  "luminance": 0.04456
}

Semantic roles & 50–950 ramp

primary

#3F209B

secondary

#A6C156

accent

#E93FBE

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F209B

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

Preview Lab → · Contrast checker → · Palette generator →