#3B1581#3B1581

#3B1581 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.2% C 0.163 H 290.4°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#3B1581
RGB	rgb(59, 21, 129)
HSL	hsl(261, 72%, 29%)
HSV	hsv(261, 84%, 51%)
CMYK	cmyk(54.3%, 83.7%, 0%, 49.4%)
CIE-LAB	lab(20.25, 43.22, -53.12)
CIE-LCH	lch(20.25, 68.48, 309.13°)
OKLab	oklab(33.23% 0.0569 -0.1527)
OKLCH	oklch(33.23% 0.163 290.4)
XYZ	xyz(6.0331, 3.0509, 21.0356)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1581 #5B8115

analogous

#152581 #3B1581 #711581

triadic

#3B1581 #813B15 #15813B

tetradic

#3B1581 #811525 #5B8115 #158171

square

#3B1581 #811525 #5B8115 #158171

split-complementary

#3B1581 #817115 #258115

monochromatic

#0C041A #230C4C #3B1581 #531EB6 #6F33DE

Accessibility & contrast

On white

13.04

#3B1581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#3B1581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1581

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1581	#FFFFFF	#000000	##FFFFFF
##3B1581	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002E7F

Tritanopia (blue-blind)

#21354C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #3b1581;
/* rgb */ color: rgb(59, 21, 129);
/* oklch */ color: oklch(33.2% 0.163 290.4);

Tailwind

colors: {
  custom: {
    50: '#7a58a7',
    500: '#3b1581',
    950: '#000000',
  },
}

SCSS

$custom: #3b1581;
$custom-light: #7a58a7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1581",
  "rgb": {
    "r": 59,
    "g": 21,
    "b": 129
  },
  "hsl": {
    "h": 261.111,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33229,
    "c": 0.16299,
    "h": 290.4
  },
  "luminance": 0.03051
}

Semantic roles & 50–950 ramp

primary

#3B1581

secondary

#8BB63C

accent

#EF39AF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #3B1581

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

Preview Lab → · Contrast checker → · Palette generator →