#3B1571#3B1571

#3B1571 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.145 H 295.5°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B1571
RGB	rgb(59, 21, 113)
HSL	hsl(265, 69%, 26%)
HSV	hsv(265, 81%, 44%)
CMYK	cmyk(47.8%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(18.62, 38.77, -45.56)
CIE-LCH	lch(18.62, 59.82, 310.40°)
OKLab	oklab(31.61% 0.0623 -0.1306)
OKLCH	oklch(31.61% 0.145 295.5)
XYZ	xyz(5.0516, 2.6583, 15.8665)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo (survey)

#380282

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1571 #4B7115

analogous

#151D71 #3B1571 #691571

triadic

#3B1571 #713B15 #15713B

tetradic

#3B1571 #71151D #4B7115 #157169

square

#3B1571 #71151D #4B7115 #157169

split-complementary

#3B1571 #716915 #1D7115

monochromatic

#0D051A #200B3D #3B1571 #561FA5 #7129D7

Accessibility & contrast

On white

13.71

#3B1571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#3B1571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1571

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1571	#FFFFFF	#000000	##FFFFFF
##3B1571	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#002C6F

Tritanopia (blue-blind)

#2C2F43

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #3b1571;
/* rgb */ color: rgb(59, 21, 113);
/* oklch */ color: oklch(31.6% 0.145 295.5);

Tailwind

colors: {
  custom: {
    50: '#77579b',
    500: '#3b1571',
    950: '#000000',
  },
}

SCSS

$custom: #3b1571;
$custom-light: #77579b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1571",
  "rgb": {
    "r": 59,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 264.783,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31607,
    "c": 0.1447,
    "h": 295.5
  },
  "luminance": 0.02658
}

Semantic roles & 50–950 ramp

primary

#3B1571

secondary

#7AA73B

accent

#EB3CA3

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #3B1571

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

Preview Lab → · Contrast checker → · Palette generator →