#5B1878#5B1878

#5B1878 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.9% C 0.156 H 313.0°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#5B1878
RGB	rgb(91, 24, 120)
HSL	hsl(282, 67%, 28%)
HSV	hsv(282, 80%, 47%)
CMYK	cmyk(24.2%, 80%, 0%, 52.9%)
CIE-LAB	lab(24.43, 45.14, -40.38)
CIE-LCH	lch(24.43, 60.57, 318.18°)
OKLab	oklab(36.88% 0.1066 -0.1142)
OKLCH	oklch(36.88% 0.156 313)
XYZ	xyz(8.0306, 4.2337, 18.1598)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1878 #357818

analogous

#2B1878 #5B1878 #781865

triadic

#5B1878 #785B18 #18785B

tetradic

#5B1878 #782B18 #357818 #186578

square

#5B1878 #782B18 #357818 #186578

split-complementary

#5B1878 #657818 #18782B

monochromatic

#13051A #340E45 #5B1878 #8222AB #A534D6

Accessibility & contrast

On white

11.37

#5B1878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#5B1878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1878

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1878	#FFFFFF	#000000	##FFFFFF
##5B1878	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#0B3B76

Tritanopia (blue-blind)

#582F47

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #5b1878;
/* rgb */ color: rgb(91, 24, 120);
/* oklch */ color: oklch(36.9% 0.156 313.0);

Tailwind

colors: {
  custom: {
    50: '#8d5da0',
    500: '#5b1878',
    950: '#000000',
  },
}

SCSS

$custom: #5b1878;
$custom-light: #8d5da0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1878",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 120
  },
  "hsl": {
    "h": 281.875,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36879,
    "c": 0.15624,
    "h": 313
  },
  "luminance": 0.04233
}

Semantic roles & 50–950 ramp

primary

#5B1878

secondary

#60AD3F

accent

#EA3E72

background

#F9F5F9

surface

#F1E9F2

border

#CBC5CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #5B1878

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

Preview Lab → · Contrast checker → · Palette generator →