#4B1979#4B1979

#4B1979 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.152 H 302.7°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B1979
RGB	rgb(75, 25, 121)
HSL	hsl(271, 66%, 29%)
HSV	hsv(271, 79%, 47%)
CMYK	cmyk(38%, 79.3%, 0%, 52.5%)
CIE-LAB	lab(22.20, 41.88, -44.75)
CIE-LCH	lch(22.20, 61.29, 313.10°)
OKLab	oklab(34.83% 0.0819 -0.1277)
OKLCH	oklch(34.83% 0.152 302.7)
XYZ	xyz(6.6997, 3.5716, 18.4219)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.43

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1979 #477919

analogous

#1B1979 #4B1979 #791977

triadic

#4B1979 #794B19 #19794B

tetradic

#4B1979 #791B19 #477919 #197779

square

#4B1979 #791B19 #477919 #197779

split-complementary

#4B1979 #777919 #19791B

monochromatic

#100519 #2C0F46 #4B1979 #6A23AC #8A37D6

Accessibility & contrast

On white

12.25

#4B1979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#4B1979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1979

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1979	#FFFFFF	#000000	##FFFFFF
##4B1979	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347C

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#413248

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1979;
/* rgb */ color: rgb(75, 25, 121);
/* oklch */ color: oklch(34.8% 0.152 302.7);

Tailwind

colors: {
  custom: {
    50: '#825ca0',
    500: '#4b1979',
    950: '#000000',
  },
}

SCSS

$custom: #4b1979;
$custom-light: #825ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1979",
  "rgb": {
    "r": 75,
    "g": 25,
    "b": 121
  },
  "hsl": {
    "h": 271.25,
    "s": 65.753,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34827,
    "c": 0.15168,
    "h": 302.7
  },
  "luminance": 0.03572
}

Semantic roles & 50–950 ramp

primary

#4B1979

secondary

#75AE40

accent

#E93F90

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B1979

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

Preview Lab → · Contrast checker → · Palette generator →