#4B1571#4B1571

#4B1571 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.7% C 0.148 H 306.5°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B1571
RGB	rgb(75, 21, 113)
HSL	hsl(275, 69%, 26%)
HSV	hsv(275, 81%, 44%)
CMYK	cmyk(33.6%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(20.92, 41.59, -41.70)
CIE-LCH	lch(20.92, 58.89, 314.92°)
OKLab	oklab(33.71% 0.0877 -0.1187)
OKLCH	oklch(33.71% 0.148 306.5)
XYZ	xyz(6.1498, 3.2245, 15.9180)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1571 #3B7115

analogous

#1D1571 #4B1571 #711569

triadic

#4B1571 #714B15 #15714B

tetradic

#4B1571 #711D15 #3B7115 #156971

square

#4B1571 #711D15 #3B7115 #156971

split-complementary

#4B1571 #697115 #15711D

monochromatic

#11051A #290B3D #4B1571 #6D1FA5 #8F29D7

Accessibility & contrast

On white

12.77

#4B1571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#4B1571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1571

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1571	#FFFFFF	#000000	##FFFFFF
##4B1571	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003174

Deuteranopia (green-blind)

#00336F

Tritanopia (blue-blind)

#442D43

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #4b1571;
/* rgb */ color: rgb(75, 21, 113);
/* oklch */ color: oklch(33.7% 0.148 306.5);

Tailwind

colors: {
  custom: {
    50: '#82599b',
    500: '#4b1571',
    950: '#000000',
  },
}

SCSS

$custom: #4b1571;
$custom-light: #82599b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1571",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 275.217,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33713,
    "c": 0.14754,
    "h": 306.5
  },
  "luminance": 0.03224
}

Semantic roles & 50–950 ramp

primary

#4B1571

secondary

#67A73B

accent

#EB3C85

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4B1571

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

Preview Lab → · Contrast checker → · Palette generator →