#3F1781#3F1781

#3F1781 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.161 H 292.6°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F1781
RGB	rgb(63, 23, 129)
HSL	hsl(263, 70%, 30%)
HSV	hsv(263, 82%, 51%)
CMYK	cmyk(51.2%, 82.2%, 0%, 49.4%)
CIE-LAB	lab(21.03, 42.91, -51.81)
CIE-LCH	lch(21.03, 67.27, 309.63°)
OKLab	oklab(33.89% 0.062 -0.1488)
OKLCH	oklch(33.89% 0.161 292.6)
XYZ	xyz(6.3176, 3.2543, 21.0599)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1781 #598117

analogous

#172481 #3F1781 #741781

triadic

#3F1781 #813F17 #17813F

tetradic

#3F1781 #811724 #598117 #178174

square

#3F1781 #811724 #598117 #178174

split-complementary

#3F1781 #817417 #248117

monochromatic

#0D051A #260E4D #3F1781 #5820B5 #7537DB

Accessibility & contrast

On white

12.72

#3F1781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#3F1781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1781

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1781	#FFFFFF	#000000	##FFFFFF
##3F1781	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003484

Deuteranopia (green-blind)

#00307F

Tritanopia (blue-blind)

#29364C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #3f1781;
/* rgb */ color: rgb(63, 23, 129);
/* oklch */ color: oklch(33.9% 0.161 292.6);

Tailwind

colors: {
  custom: {
    50: '#7c5aa7',
    500: '#3f1781',
    950: '#000000',
  },
}

SCSS

$custom: #3f1781;
$custom-light: #7c5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1781",
  "rgb": {
    "r": 63,
    "g": 23,
    "b": 129
  },
  "hsl": {
    "h": 262.642,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33888,
    "c": 0.16119,
    "h": 292.6
  },
  "luminance": 0.03255
}

Semantic roles & 50–950 ramp

primary

#3F1781

secondary

#88B53E

accent

#ED3BAA

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F1781

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

Preview Lab → · Contrast checker → · Palette generator →