#3F1F9D#3F1F9D

#3F1F9D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.186 H 284.7°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F1F9D
RGB	rgb(63, 31, 157)
HSL	hsl(255, 67%, 37%)
HSV	hsv(255, 80%, 62%)
CMYK	cmyk(59.9%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(25.17, 47.22, -62.40)
CIE-LCH	lch(25.17, 78.26, 307.11°)
OKLab	oklab(37.63% 0.0473 -0.1798)
OKLCH	oklch(37.63% 0.186 284.7)
XYZ	xyz(8.6238, 4.4705, 32.3002)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1F9D #7D9D1F

analogous

#1F3E9D #3F1F9D #7E1F9D

triadic

#3F1F9D #9D3F1F #1F9D3F

tetradic

#3F1F9D #9D1F3E #7D9D1F #1F9D7E

square

#3F1F9D #9D1F3E #7D9D1F #1F9D7E

split-complementary

#3F1F9D #9D7E1F #3E9D1F

monochromatic

#160B37 #2A156A #3F1F9D #5429D0 #7A58DE

Accessibility & contrast

On white

11.09

#3F1F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3F1F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1F9D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1F9D	#FFFFFF	#000000	##FFFFFF
##3F1F9D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#04445E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3f1f9d;
/* rgb */ color: rgb(63, 31, 157);
/* oklch */ color: oklch(37.6% 0.186 284.7);

Tailwind

colors: {
  custom: {
    50: '#8060bb',
    500: '#3f1f9d',
    950: '#000000',
  },
}

SCSS

$custom: #3f1f9d;
$custom-light: #8060bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1f9d",
  "rgb": {
    "r": 63,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 255.238,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37625,
    "c": 0.18595,
    "h": 284.7
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary

#3F1F9D

secondary

#A6C256

accent

#EA3EBE

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3F1F9D

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

Preview Lab → · Contrast checker → · Palette generator →