#4B1B76#4B1B76

#4B1B76 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.146 H 303.5°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B76
RGB	rgb(75, 27, 118)
HSL	hsl(272, 63%, 28%)
HSV	hsv(272, 77%, 46%)
CMYK	cmyk(36.4%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(22.26, 40.22, -42.74)
CIE-LCH	lch(22.26, 58.69, 313.26°)
OKLab	oklab(34.79% 0.0807 -0.1218)
OKLCH	oklch(34.79% 0.146 303.5)
XYZ	xyz(6.5628, 3.5877, 17.4828)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B76 #46761B

analogous

#1D1B76 #4B1B76 #761B73

triadic

#4B1B76 #764B1B #1B764B

tetradic

#4B1B76 #761D1B #46761B #1B7376

square

#4B1B76 #761D1B #46761B #1B7376

split-complementary

#4B1B76 #73761B #1B761D

monochromatic

#100619 #2B1044 #4B1B76 #6B26A8 #8A3AD2

Accessibility & contrast

On white

12.23

#4B1B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4B1B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B76

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B76	#FFFFFF	#000000	##FFFFFF
##4B1B76	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003479

Deuteranopia (green-blind)

#003574

Tritanopia (blue-blind)

#423247

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1b76;
/* rgb */ color: rgb(75, 27, 118);
/* oklch */ color: oklch(34.8% 0.146 303.5);

Tailwind

colors: {
  custom: {
    50: '#825d9e',
    500: '#4b1b76',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b76;
$custom-light: #825d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b76",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 271.648,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34787,
    "c": 0.14608,
    "h": 303.5
  },
  "luminance": 0.03588
}

Semantic roles & 50–950 ramp

primary

#4B1B76

secondary

#74AA42

accent

#E6428F

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4B1B76

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

Preview Lab → · Contrast checker → · Palette generator →