#3F279D#3F279D

#3F279D is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.6% C 0.178 H 283.6°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F279D
RGB	rgb(63, 39, 157)
HSL	hsl(252, 60%, 38%)
HSV	hsv(252, 75%, 62%)
CMYK	cmyk(59.9%, 75.2%, 0%, 38.4%)
CIE-LAB	lab(26.57, 43.22, -60.10)
CIE-LCH	lch(26.57, 74.03, 305.72°)
OKLab	oklab(38.6% 0.0418 -0.1732)
OKLCH	oklch(38.6% 0.178 283.6)
XYZ	xyz(8.8593, 4.9415, 32.3787)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F279D #859D27

analogous

#274A9D #3F279D #7A279D

triadic

#3F279D #9D3F27 #279D3F

tetradic

#3F279D #9D274A #859D27 #279D7A

square

#3F279D #9D274A #859D27 #279D7A

split-complementary

#3F279D #9D7A27 #4A9D27

monochromatic

#180F3B #2B1B6C #3F279D #5335CD #7D66D9

Accessibility & contrast

On white

10.56

#3F279D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3F279D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F279D

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F279D	#FFFFFF	#000000	##FFFFFF
##3F279D	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#003B9B

Tritanopia (blue-blind)

#024860

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f279d;
/* rgb */ color: rgb(63, 39, 157);
/* oklch */ color: oklch(38.6% 0.178 283.6);

Tailwind

colors: {
  custom: {
    50: '#8064bb',
    500: '#3f279d',
    950: '#000000',
  },
}

SCSS

$custom: #3f279d;
$custom-light: #8064bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f279d",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 157
  },
  "hsl": {
    "h": 252.203,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38604,
    "c": 0.17816,
    "h": 283.6
  },
  "luminance": 0.04942
}

Semantic roles & 50–950 ramp

primary

#3F279D

secondary

#ACBF61

accent

#E344C3

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F279D

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

Preview Lab → · Contrast checker → · Palette generator →