#5B1B8A#5B1B8A

#5B1B8A is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.171 H 305.7°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B8A
RGB	rgb(91, 27, 138)
HSL	hsl(275, 67%, 32%)
HSV	hsv(275, 80%, 54%)
CMYK	cmyk(34.1%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(26.28, 48.09, -48.72)
CIE-LCH	lch(26.28, 68.45, 314.63°)
OKLab	oklab(38.64% 0.0998 -0.1387)
OKLCH	oklch(38.64% 0.171 305.7)
XYZ	xyz(9.2927, 4.8431, 24.4851)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B8A #4A8A1B

analogous

#241B8A #5B1B8A #8A1B81

triadic

#5B1B8A #8A5B1B #1B8A5B

tetradic

#5B1B8A #8A241B #4A8A1B #1B818A

square

#5B1B8A #8A241B #4A8A1B #1B818A

split-complementary

#5B1B8A #818A1B #1B8A24

monochromatic

#170724 #391157 #5B1B8A #7D25BD #9B45DB

Accessibility & contrast

On white

10.67

#5B1B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#5B1B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B8A

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B8A	#FFFFFF	#000000	##FFFFFF
##5B1B8A	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#523852

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #5b1b8a;
/* rgb */ color: rgb(91, 27, 138);
/* oklch */ color: oklch(38.6% 0.171 305.7);

Tailwind

colors: {
  custom: {
    50: '#8e60ad',
    500: '#5b1b8a',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b8a;
$custom-light: #8e60ad;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b8a",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 274.595,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38635,
    "c": 0.17089,
    "h": 305.7
  },
  "luminance": 0.04843
}

Semantic roles & 50–950 ramp

primary

#5B1B8A

secondary

#77BC45

accent

#EA3E87

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B1B8A

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

Preview Lab → · Contrast checker → · Palette generator →