#4B1F71#4B1F71

#4B1F71 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 34.9% C 0.135 H 304.9°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#4B1F71
RGB	rgb(75, 31, 113)
HSL	hsl(272, 57%, 28%)
HSV	hsv(272, 73%, 44%)
CMYK	cmyk(33.6%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(22.54, 36.98, -39.07)
CIE-LCH	lch(22.54, 53.80, 313.43°)
OKLab	oklab(34.86% 0.0773 -0.111)
OKLCH	oklch(34.86% 0.135 304.9)
XYZ	xyz(6.3716, 3.6681, 15.9919)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1F71 #45711F

analogous

#221F71 #4B1F71 #711F6E

triadic

#4B1F71 #714B1F #1F714B

tetradic

#4B1F71 #71221F #45711F #1F6E71

square

#4B1F71 #71221F #45711F #1F6E71

split-complementary

#4B1F71 #6E711F #1F7122

monochromatic

#100718 #2B1241 #4B1F71 #6B2CA1 #8A40CB

Accessibility & contrast

On white

12.11

#4B1F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#4B1F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1F71

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1F71	#FFFFFF	#000000	##FFFFFF
##4B1F71	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#00366F

Tritanopia (blue-blind)

#443245

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4b1f71;
/* rgb */ color: rgb(75, 31, 113);
/* oklch */ color: oklch(34.9% 0.135 304.9);

Tailwind

colors: {
  custom: {
    50: '#815e9a',
    500: '#4b1f71',
    950: '#000000',
  },
}

SCSS

$custom: #4b1f71;
$custom-light: #815e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1f71",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 272.195,
    "s": 56.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3486,
    "c": 0.13527,
    "h": 304.9
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#4B1F71

secondary

#72A547

accent

#E0488E

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #4B1F71

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

Preview Lab → · Contrast checker → · Palette generator →