#3F197C#3F197C

#3F197C is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.153 H 293.8°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F197C
RGB	rgb(63, 25, 124)
HSL	hsl(263, 66%, 29%)
HSV	hsv(263, 80%, 49%)
CMYK	cmyk(49.2%, 79.8%, 0%, 51.4%)
CIE-LAB	lab(20.85, 40.61, -48.93)
CIE-LCH	lch(20.85, 63.59, 309.69°)
OKLab	oklab(33.61% 0.0621 -0.1404)
OKLCH	oklch(33.61% 0.153 293.8)
XYZ	xyz(6.0346, 3.2071, 19.3659)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F197C #567C19

analogous

#19257C #3F197C #71197C

triadic

#3F197C #7C3F19 #197C3F

tetradic

#3F197C #7C1925 #567C19 #197C71

square

#3F197C #7C1925 #567C19 #197C71

split-complementary

#3F197C #7C7119 #257C19

monochromatic

#0D0519 #250F49 #3F197C #5923AF #7538D7

Accessibility & contrast

On white

12.79

#3F197C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#3F197C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F197C

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F197C	#FFFFFF	#000000	##FFFFFF
##3F197C	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#2C344A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3f197c;
/* rgb */ color: rgb(63, 25, 124);
/* oklch */ color: oklch(33.6% 0.153 293.8);

Tailwind

colors: {
  custom: {
    50: '#7b5ba3',
    500: '#3f197c',
    950: '#000000',
  },
}

SCSS

$custom: #3f197c;
$custom-light: #7b5ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f197c",
  "rgb": {
    "r": 63,
    "g": 25,
    "b": 124
  },
  "hsl": {
    "h": 263.03,
    "s": 66.443,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33612,
    "c": 0.15347,
    "h": 293.8
  },
  "luminance": 0.03207
}

Semantic roles & 50–950 ramp

primary

#3F197C

secondary

#85B040

accent

#E93EA8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F197C

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

Preview Lab → · Contrast checker → · Palette generator →