#3F1B7B#3F1B7B

#3F1B7B is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.150 H 293.8°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F1B7B
RGB	rgb(63, 27, 123)
HSL	hsl(263, 64%, 29%)
HSV	hsv(263, 78%, 48%)
CMYK	cmyk(48.8%, 78%, 0%, 51.8%)
CIE-LAB	lab(21.10, 39.37, -47.90)
CIE-LCH	lch(21.10, 62.00, 309.41°)
OKLab	oklab(33.75% 0.0606 -0.1374)
OKLCH	oklch(33.75% 0.15 293.8)
XYZ	xyz(6.0160, 3.2705, 19.0493)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1B7B #577B1B

analogous

#1B277B #3F1B7B #6F1B7B

triadic

#3F1B7B #7B3F1B #1B7B3F

tetradic

#3F1B7B #7B1B27 #577B1B #1B7B6F

square

#3F1B7B #7B1B27 #577B1B #1B7B6F

split-complementary

#3F1B7B #7B6F1B #277B1B

monochromatic

#0D0619 #251049 #3F1B7B #5926AD #753CD4

Accessibility & contrast

On white

12.69

#3F1B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#3F1B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1B7B

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1B7B	#FFFFFF	#000000	##FFFFFF
##3F1B7B	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#2D354A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #3f1b7b;
/* rgb */ color: rgb(63, 27, 123);
/* oklch */ color: oklch(33.8% 0.150 293.8);

Tailwind

colors: {
  custom: {
    50: '#7b5ca2',
    500: '#3f1b7b',
    950: '#000000',
  },
}

SCSS

$custom: #3f1b7b;
$custom-light: #7b5ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1b7b",
  "rgb": {
    "r": 63,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 262.5,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33752,
    "c": 0.15013,
    "h": 293.8
  },
  "luminance": 0.03271
}

Semantic roles & 50–950 ramp

primary

#3F1B7B

secondary

#86AF43

accent

#E741A9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #3F1B7B

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

Preview Lab → · Contrast checker → · Palette generator →