#3F287A#3F287A

#3F287A is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.5% C 0.132 H 291.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F287A
RGB	rgb(63, 40, 122)
HSL	hsl(257, 51%, 32%)
HSV	hsv(257, 67%, 48%)
CMYK	cmyk(48.4%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(23.60, 31.87, -43.17)
CIE-LCH	lch(23.60, 53.66, 306.43°)
OKLab	oklab(35.51% 0.0475 -0.1235)
OKLCH	oklch(35.51% 0.132 291)
XYZ	xyz(6.3206, 3.9793, 18.8436)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F287A #637A28

analogous

#283A7A #3F287A #68287A

triadic

#3F287A #7A3F28 #287A3F

tetradic

#3F287A #7A283A #637A28 #287A68

square

#3F287A #7A283A #637A28 #287A68

split-complementary

#3F287A #7A6828 #3A7A28

monochromatic

#0F0A1E #27194C #3F287A #5737A8 #7555C7

Accessibility & contrast

On white

11.69

#3F287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3F287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F287A

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F287A	#FFFFFF	#000000	##FFFFFF
##3F287A	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7D

Deuteranopia (green-blind)

#003678

Tritanopia (blue-blind)

#2D3C4D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3f287a;
/* rgb */ color: rgb(63, 40, 122);
/* oklch */ color: oklch(35.5% 0.132 291.0);

Tailwind

colors: {
  custom: {
    50: '#7a63a1',
    500: '#3f287a',
    950: '#000000',
  },
}

SCSS

$custom: #3f287a;
$custom-light: #7a63a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f287a",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 256.829,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35511,
    "c": 0.13236,
    "h": 291
  },
  "luminance": 0.03979
}

Semantic roles & 50–950 ramp

primary

#3F287A

secondary

#93AC52

accent

#DA4EB3

background

#F7F6FA

surface

#EEEBF3

border

#C9C6CD

text

#0A050F

muted

#7C7A7F

Preview Lab

Preview with #3F287A

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

Preview Lab → · Contrast checker → · Palette generator →