#4A1B71#4A1B71

#4A1B71 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.140 H 304.9°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#4A1B71
RGB	rgb(74, 27, 113)
HSL	hsl(273, 61%, 27%)
HSV	hsv(273, 76%, 44%)
CMYK	cmyk(34.5%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(21.70, 38.74, -40.45)
CIE-LCH	lch(21.70, 56.01, 313.77°)
OKLab	oklab(34.23% 0.0803 -0.1151)
OKLCH	oklch(34.23% 0.14 304.9)
XYZ	xyz(6.1959, 3.4320, 15.9556)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A1B71 #42711B

analogous

#1F1B71 #4A1B71 #711B6D

triadic

#4A1B71 #714A1B #1B714A

tetradic

#4A1B71 #711F1B #42711B #1B6D71

square

#4A1B71 #711F1B #42711B #1B6D71

split-complementary

#4A1B71 #6D711B #1B711F

monochromatic

#100619 #2A0F40 #4A1B71 #6A27A2 #8A37CF

Accessibility & contrast

On white

12.45

#4A1B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#4A1B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A1B71

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A1B71	#FFFFFF	#000000	##FFFFFF
##4A1B71	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#433044

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4a1b71;
/* rgb */ color: rgb(74, 27, 113);
/* oklch */ color: oklch(34.2% 0.140 304.9);

Tailwind

colors: {
  custom: {
    50: '#815c9a',
    500: '#4a1b71',
    950: '#000000',
  },
}

SCSS

$custom: #4a1b71;
$custom-light: #815c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#4a1b71",
  "rgb": {
    "r": 74,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 272.791,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34228,
    "c": 0.14028,
    "h": 304.9
  },
  "luminance": 0.03432
}

Semantic roles & 50–950 ramp

primary

#4A1B71

secondary

#6FA642

accent

#E5438C

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4A1B71

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

Preview Lab → · Contrast checker → · Palette generator →