#3F187A#3F187A

#3F187A is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.152 H 294.7°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F187A
RGB	rgb(63, 24, 122)
HSL	hsl(264, 67%, 29%)
HSV	hsv(264, 80%, 48%)
CMYK	cmyk(48.4%, 80.3%, 0%, 52.2%)
CIE-LAB	lab(20.50, 40.52, -48.24)
CIE-LCH	lch(20.50, 63.00, 310.03°)
OKLab	oklab(33.3% 0.0635 -0.1383)
OKLCH	oklch(33.3% 0.152 294.7)
XYZ	xyz(5.8884, 3.1150, 18.6996)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F187A #537A18

analogous

#18227A #3F187A #70187A

triadic

#3F187A #7A3F18 #187A3F

tetradic

#3F187A #7A1822 #537A18 #187A70

square

#3F187A #7A1822 #537A18 #187A70

split-complementary

#3F187A #7A7018 #227A18

monochromatic

#0D051A #250E47 #3F187A #5922AD #7635D7

Accessibility & contrast

On white

12.94

#3F187A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#3F187A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F187A

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F187A	#FFFFFF	#000000	##FFFFFF
##3F187A	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#2E3348

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #3f187a;
/* rgb */ color: rgb(63, 24, 122);
/* oklch */ color: oklch(33.3% 0.152 294.7);

Tailwind

colors: {
  custom: {
    50: '#7b5aa1',
    500: '#3f187a',
    950: '#000000',
  },
}

SCSS

$custom: #3f187a;
$custom-light: #7b5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f187a",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 122
  },
  "hsl": {
    "h": 263.878,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33304,
    "c": 0.15222,
    "h": 294.7
  },
  "luminance": 0.03115
}

Semantic roles & 50–950 ramp

primary

#3F187A

secondary

#82AF3F

accent

#EA3EA5

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F187A

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

Preview Lab → · Contrast checker → · Palette generator →