#3F289C#3F289C

#3F289C is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.6% C 0.176 H 283.6°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F289C
RGB	rgb(63, 40, 156)
HSL	hsl(252, 59%, 38%)
HSV	hsv(252, 74%, 61%)
CMYK	cmyk(59.6%, 74.4%, 0%, 38.8%)
CIE-LAB	lab(26.66, 42.38, -59.34)
CIE-LCH	lch(26.66, 72.92, 305.53°)
OKLab	oklab(38.64% 0.0413 -0.171)
OKLCH	oklch(38.64% 0.176 283.6)
XYZ	xyz(8.8076, 4.9741, 31.9420)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F289C #859C28

analogous

#284B9C #3F289C #79289C

triadic

#3F289C #9C3F28 #289C3F

tetradic

#3F289C #9C284B #859C28 #289C79

square

#3F289C #9C284B #859C28 #289C79

split-complementary

#3F289C #9C7928 #4B9C28

monochromatic

#180F3B #2B1C6B #3F289C #5336CB #7D67D8

Accessibility & contrast

On white

10.53

#3F289C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#3F289C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F289C

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F289C	#FFFFFF	#000000	##FFFFFF
##3F289C	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#044860

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f289c;
/* rgb */ color: rgb(63, 40, 156);
/* oklch */ color: oklch(38.6% 0.176 283.6);

Tailwind

colors: {
  custom: {
    50: '#7f65ba',
    500: '#3f289c',
    950: '#000000',
  },
}

SCSS

$custom: #3f289c;
$custom-light: #7f65ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f289c",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 156
  },
  "hsl": {
    "h": 251.897,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.3864,
    "c": 0.17587,
    "h": 283.6
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#3F289C

secondary

#ACBE62

accent

#E245C3

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F289C

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

Preview Lab → · Contrast checker → · Palette generator →