#3F197B#3F197B

#3F197B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.152 H 294.2°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F197B
RGB	rgb(63, 25, 123)
HSL	hsl(263, 66%, 29%)
HSV	hsv(263, 80%, 48%)
CMYK	cmyk(48.8%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(20.76, 40.33, -48.45)
CIE-LCH	lch(20.76, 63.04, 309.77°)
OKLab	oklab(33.52% 0.0624 -0.139)
OKLCH	oklch(33.52% 0.152 294.2)
XYZ	xyz(5.9717, 3.1819, 19.0346)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F197B #557B19

analogous

#19247B #3F197B #70197B

triadic

#3F197B #7B3F19 #197B3F

tetradic

#3F197B #7B1924 #557B19 #197B70

square

#3F197B #7B1924 #557B19 #197B70

split-complementary

#3F197B #7B7019 #247B19

monochromatic

#0D0519 #250F48 #3F197B #5923AE #7538D7

Accessibility & contrast

On white

12.83

#3F197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F197B

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F197B	#FFFFFF	#000000	##FFFFFF
##3F197B	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#2D3449

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f197b;
/* rgb */ color: rgb(63, 25, 123);
/* oklch */ color: oklch(33.5% 0.152 294.2);

Tailwind

colors: {
  custom: {
    50: '#7b5aa2',
    500: '#3f197b',
    950: '#000000',
  },
}

SCSS

$custom: #3f197b;
$custom-light: #7b5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f197b",
  "rgb": {
    "r": 63,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 263.265,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33515,
    "c": 0.15232,
    "h": 294.2
  },
  "luminance": 0.03182
}

Semantic roles & 50–950 ramp

primary

#3F197B

secondary

#84AF40

accent

#E93FA7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F197B

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

Preview Lab → · Contrast checker → · Palette generator →