#4C1B79#4C1B79

#4C1B79 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.150 H 303.0°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#4C1B79
RGB	rgb(76, 27, 121)
HSL	hsl(271, 64%, 29%)
HSV	hsv(271, 78%, 47%)
CMYK	cmyk(37.2%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(22.66, 41.18, -44.00)
CIE-LCH	lch(22.66, 60.27, 313.10°)
OKLab	oklab(35.18% 0.0815 -0.1254)
OKLCH	oklch(35.18% 0.15 303)
XYZ	xyz(6.8228, 3.7008, 18.4403)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.80

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C1B79 #48791B

analogous

#1D1B79 #4C1B79 #791B77

triadic

#4C1B79 #794C1B #1B794C

tetradic

#4C1B79 #791D1B #48791B #1B7779

square

#4C1B79 #791D1B #48791B #1B7779

split-complementary

#4C1B79 #77791B #1B791D

monochromatic

#100619 #2D1047 #4C1B79 #6B26AB #8A3BD3

Accessibility & contrast

On white

12.07

#4C1B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#4C1B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C1B79

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C1B79	#FFFFFF	#000000	##FFFFFF
##4C1B79	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357C

Deuteranopia (green-blind)

#003677

Tritanopia (blue-blind)

#433349

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4c1b79;
/* rgb */ color: rgb(76, 27, 121);
/* oklch */ color: oklch(35.2% 0.150 303.0);

Tailwind

colors: {
  custom: {
    50: '#835da0',
    500: '#4c1b79',
    950: '#000000',
  },
}

SCSS

$custom: #4c1b79;
$custom-light: #835da0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c1b79",
  "rgb": {
    "r": 76,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 271.277,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35178,
    "c": 0.14961,
    "h": 303
  },
  "luminance": 0.03701
}

Semantic roles & 50–950 ramp

primary

#4C1B79

secondary

#76AD43

accent

#E74190

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4C1B79

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

Preview Lab → · Contrast checker → · Palette generator →