#3B1FB4#3B1FB4

#3B1FB4 is a dark, highly saturated violet. Relative luminance 0.052; OKLCH L 39.8% C 0.213 H 279.1°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#3B1FB4
RGB	rgb(59, 31, 180)
HSL	hsl(251, 71%, 41%)
HSV	hsv(251, 83%, 71%)
CMYK	cmyk(67.2%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(27.31, 53.46, -72.77)
CIE-LCH	lch(27.31, 90.29, 306.30°)
OKLab	oklab(39.75% 0.0338 -0.2101)
OKLCH	oklch(39.75% 0.213 279.1)
XYZ	xyz(10.5292, 5.2042, 43.6208)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1FB4 #98B41F

analogous

#1F4EB4 #3B1FB4 #861FB4

triadic

#3B1FB4 #B43B1F #1FB43B

tetradic

#3B1FB4 #B41F4E #98B41F #1FB486

square

#3B1FB4 #B41F4E #98B41F #1FB486

split-complementary

#3B1FB4 #B4861F #4EB41F

monochromatic

#190D4C #2A1680 #3B1FB4 #5434DC #8068E5

Accessibility & contrast

On white

10.29

#3B1FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3B1FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1FB4

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1FB4	#FFFFFF	#000000	##FFFFFF
##3B1FB4	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3b1fb4;
/* rgb */ color: rgb(59, 31, 180);
/* oklch */ color: oklch(39.8% 0.213 279.1);

Tailwind

colors: {
  custom: {
    50: '#8361cc',
    500: '#3b1fb4',
    950: '#000000',
  },
}

SCSS

$custom: #3b1fb4;
$custom-light: #8361cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1fb4",
  "rgb": {
    "r": 59,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 251.275,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39754,
    "c": 0.21282,
    "h": 279.1
  },
  "luminance": 0.05205
}

Semantic roles & 50–950 ramp

primary

#3B1FB4

secondary

#B7CB64

accent

#ED3ACC

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3B1FB4

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

Preview Lab → · Contrast checker → · Palette generator →