#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
RGB	rgb(63, 31, 154)
HSL	hsl(256, 66%, 36%)
HSV	hsv(256, 80%, 60%)
CMYK	cmyk(59.1%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(24.86, 46.35, -61.08)
CIE-LCH	lch(24.86, 76.68, 307.19°)
OKLab	oklab(37.31% 0.0482 -0.176)
OKLCH	oklch(37.31% 0.182 285.3)
XYZ	xyz(8.3708, 4.3693, 30.9679)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

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
##3F1F9A	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

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 →