#3F1F9A#3F1F9A

#3F1F9A is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.182 H 285.3°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX#3F1F9A
RGBrgb(63, 31, 154)
HSLhsl(256, 66%, 36%)
HSVhsv(256, 80%, 60%)
CMYKcmyk(59.1%, 79.9%, 0%, 39.6%)
CIE-LABlab(24.86, 46.35, -61.08)
CIE-LCHlch(24.86, 76.68, 307.19°)
OKLaboklab(37.31% 0.0482 -0.176)
OKLCHoklch(37.31% 0.182 285.3)
XYZxyz(8.3708, 4.3693, 30.9679)
Luminance0.0437 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F1F9A #7A9A1F
analogous
#1F3D9A #3F1F9A #7D1F9A
triadic
#3F1F9A #9A3F1F #1F9A3F
tetradic
#3F1F9A #9A1F3D #7A9A1F #1F9A7D
square
#3F1F9A #9A1F3D #7A9A1F #1F9A7D
split-complementary
#3F1F9A #9A7D1F #3D9A1F
monochromatic
#150A34 #2A1567 #3F1F9A #5429CD #7956DD

Accessibility & contrast

On white

11.21
#3F1F9A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#3F1F9A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F9A
11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F1F9A#FFFFFF#000000##FFFFFF
##3F1F9A1.0011.211.8711.21
#FFFFFF11.211.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E9D
Deuteranopia (green-blind)
#003798
Tritanopia (blue-blind)
#0C435C
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #3f1f9a;
/* rgb */ color: rgb(63, 31, 154);
/* oklch */ color: oklch(37.3% 0.182 285.3);
Tailwind
colors: {
  custom: {
    50: '#805fb9',
    500: '#3f1f9a',
    950: '#000000',
  },
}
SCSS
$custom: #3f1f9a;
$custom-light: #805fb9;
$custom-dark: #000000;
JSON
{
  "hex": "#3f1f9a",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 255.61,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37314,
    "c": 0.18246,
    "h": 285.3
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary
#3F1F9A
secondary
#A4C154
accent
#E93EBD
background
#F8F5FB
surface
#EFEAF6
border
#CAC6D0
text
#0B0512
muted
#7C7981

Preview Lab

Preview with #3F1F9A

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

Preview Lab → · Contrast checker → · Palette generator →

#3F1F9A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva