#4B1978#4B1978

#4B1978 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.151 H 303.1°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#4B1978
RGB	rgb(75, 25, 120)
HSL	hsl(272, 66%, 28%)
HSV	hsv(272, 79%, 47%)
CMYK	cmyk(37.5%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(22.11, 41.63, -44.26)
CIE-LCH	lch(22.11, 60.76, 313.25°)
OKLab	oklab(34.74% 0.0822 -0.1262)
OKLCH	oklch(34.74% 0.151 303.1)
XYZ	xyz(6.6386, 3.5472, 18.1006)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.53

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1978 #467819

analogous

#1B1978 #4B1978 #781975

triadic

#4B1978 #784B19 #19784B

tetradic

#4B1978 #781B19 #467819 #197578

square

#4B1978 #781B19 #467819 #197578

split-complementary

#4B1978 #757819 #19781B

monochromatic

#100519 #2B0E45 #4B1978 #6B24AB #8A36D5

Accessibility & contrast

On white

12.29

#4B1978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#4B1978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1978

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1978	#FFFFFF	#000000	##FFFFFF
##4B1978	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003576

Tritanopia (blue-blind)

#423148

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1978;
/* rgb */ color: rgb(75, 25, 120);
/* oklch */ color: oklch(34.7% 0.151 303.1);

Tailwind

colors: {
  custom: {
    50: '#825ca0',
    500: '#4b1978',
    950: '#000000',
  },
}

SCSS

$custom: #4b1978;
$custom-light: #825ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1978",
  "rgb": {
    "r": 75,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 271.579,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34738,
    "c": 0.15059,
    "h": 303.1
  },
  "luminance": 0.03547
}

Semantic roles & 50–950 ramp

primary

#4B1978

secondary

#74AD40

accent

#E83F8F

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040F

muted

#7C797E

Preview Lab

Preview with #4B1978

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

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