#5A1B79#5A1B79

#5A1B79 is a dark, vivid purple. Relative luminance 0.043; OKLCH L 37.1% C 0.153 H 311.7°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#5A1B79
RGB	rgb(90, 27, 121)
HSL	hsl(280, 64%, 29%)
HSV	hsv(280, 78%, 47%)
CMYK	cmyk(25.6%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(24.76, 43.97, -40.49)
CIE-LCH	lch(24.76, 59.78, 317.36°)
OKLab	oklab(37.1% 0.1021 -0.1146)
OKLCH	oklch(37.1% 0.154 311.7)
XYZ	xyz(8.0589, 4.3382, 18.4983)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A1B79 #3A791B

analogous

#2B1B79 #5A1B79 #791B69

triadic

#5A1B79 #795A1B #1B795A

tetradic

#5A1B79 #792B1B #3A791B #1B6979

square

#5A1B79 #792B1B #3A791B #1B6979

split-complementary

#5A1B79 #69791B #1B792B

monochromatic

#130619 #351047 #5A1B79 #7F26AB #A13BD3

Accessibility & contrast

On white

11.24

#5A1B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#5A1B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A1B79

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A1B79	#FFFFFF	#000000	##FFFFFF
##5A1B79	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387C

Deuteranopia (green-blind)

#0B3C77

Tritanopia (blue-blind)

#563149

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #5a1b79;
/* rgb */ color: rgb(90, 27, 121);
/* oklch */ color: oklch(37.1% 0.153 311.7);

Tailwind

colors: {
  custom: {
    50: '#8c5fa0',
    500: '#5a1b79',
    950: '#000000',
  },
}

SCSS

$custom: #5a1b79;
$custom-light: #8c5fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#5a1b79",
  "rgb": {
    "r": 90,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 280.213,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37103,
    "c": 0.1535,
    "h": 311.7
  },
  "luminance": 0.04338
}

Semantic roles & 50–950 ramp

primary

#5A1B79

secondary

#66AD43

accent

#E74178

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #5A1B79

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

Preview Lab → · Contrast checker → · Palette generator →