#3F1F9E#3F1F9E

#3F1F9E is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.187 H 284.5°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F1F9E
RGB	rgb(63, 31, 158)
HSL	hsl(255, 67%, 37%)
HSV	hsv(255, 80%, 62%)
CMYK	cmyk(60.1%, 80.4%, 0%, 38%)
CIE-LAB	lab(25.27, 47.51, -62.84)
CIE-LCH	lch(25.27, 78.78, 307.09°)
OKLab	oklab(37.73% 0.047 -0.1811)
OKLCH	oklch(37.73% 0.187 284.5)
XYZ	xyz(8.7096, 4.5048, 32.7517)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1F9E #7E9E1F

analogous

#1F3F9E #3F1F9E #7F1F9E

triadic

#3F1F9E #9E3F1F #1F9E3F

tetradic

#3F1F9E #9E1F3F #7E9E1F #1F9E7F

square

#3F1F9E #9E1F3F #7E9E1F #1F9E7F

split-complementary

#3F1F9E #9E7F1F #3F9E1F

monochromatic

#160B38 #2B156B #3F1F9E #5329D1 #7B59DE

Accessibility & contrast

On white

11.05

#3F1F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3F1F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F9E

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1F9E	#FFFFFF	#000000	##FFFFFF
##3F1F9E	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#01455F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f1f9e;
/* rgb */ color: rgb(63, 31, 158);
/* oklch */ color: oklch(37.7% 0.187 284.5);

Tailwind

colors: {
  custom: {
    50: '#8060bc',
    500: '#3f1f9e',
    950: '#000000',
  },
}

SCSS

$custom: #3f1f9e;
$custom-light: #8060bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1f9e",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 255.118,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37729,
    "c": 0.1871,
    "h": 284.5
  },
  "luminance": 0.04505
}

Semantic roles & 50–950 ramp

primary

#3F1F9E

secondary

#A7C256

accent

#EA3EBF

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1F9E

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

Preview Lab → · Contrast checker → · Palette generator →