#5B1B7C#5B1B7C

#5B1B7C is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.5% C 0.157 H 311.0°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B7C
RGB	rgb(91, 27, 124)
HSL	hsl(280, 64%, 30%)
HSV	hsv(280, 78%, 49%)
CMYK	cmyk(26.6%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(25.15, 44.85, -41.76)
CIE-LCH	lch(25.15, 61.29, 317.04°)
OKLab	oklab(37.48% 0.103 -0.1183)
OKLCH	oklch(37.48% 0.157 311)
XYZ	xyz(8.3437, 4.4635, 19.4869)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B7C #3C7C1B

analogous

#2B1B7C #5B1B7C #7C1B6C

triadic

#5B1B7C #7C5B1B #1B7C5B

tetradic

#5B1B7C #7C2B1B #3C7C1B #1B6C7C

square

#5B1B7C #7C2B1B #3C7C1B #1B6C7C

split-complementary

#5B1B7C #6C7C1B #1B7C2B

monochromatic

#120519 #36104A #5B1B7C #8026AE #A13DD5

Accessibility & contrast

On white

11.10

#5B1B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#5B1B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B7C

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B7C	#FFFFFF	#000000	##FFFFFF
##5B1B7C	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397F

Deuteranopia (green-blind)

#063D7A

Tritanopia (blue-blind)

#57324A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b1b7c;
/* rgb */ color: rgb(91, 27, 124);
/* oklch */ color: oklch(37.5% 0.157 311.0);

Tailwind

colors: {
  custom: {
    50: '#8d5fa3',
    500: '#5b1b7c',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b7c;
$custom-light: #8d5fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b7c",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 279.588,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37483,
    "c": 0.15684,
    "h": 311
  },
  "luminance": 0.04463
}

Semantic roles & 50–950 ramp

primary

#5B1B7C

secondary

#68B043

accent

#E74179

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B1B7C

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

Preview Lab → · Contrast checker → · Palette generator →