#5B128A#5B128A

#5B128A is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.179 H 306.6°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#5B128A
RGB	rgb(91, 18, 138)
HSL	hsl(277, 77%, 31%)
HSV	hsv(277, 87%, 54%)
CMYK	cmyk(34.1%, 87%, 0%, 45.9%)
CIE-LAB	lab(25.23, 51.14, -50.43)
CIE-LCH	lch(25.23, 71.83, 315.40°)
OKLab	oklab(37.91% 0.1065 -0.1437)
OKLCH	oklch(37.91% 0.179 306.6)
XYZ	xyz(9.1171, 4.4918, 24.4265)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.56

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B128A #418A12

analogous

#1F128A #5B128A #8A127D

triadic

#5B128A #8A5B12 #128A5B

tetradic

#5B128A #8A1F12 #418A12 #127D8A

square

#5B128A #8A1F12 #418A12 #127D8A

split-complementary

#5B128A #7D8A12 #128A1F

monochromatic

#14041E #370B54 #5B128A #7F19C0 #9E32E4

Accessibility & contrast

On white

11.06

#5B128A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#5B128A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B128A

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B128A	#FFFFFF	#000000	##FFFFFF
##5B128A	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#533451

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b128a;
/* rgb */ color: rgb(91, 18, 138);
/* oklch */ color: oklch(37.9% 0.179 306.6);

Tailwind

colors: {
  custom: {
    50: '#8f5cad',
    500: '#5b128a',
    950: '#000000',
  },
}

SCSS

$custom: #5b128a;
$custom-light: #8f5cad;
$custom-dark: #000000;

JSON

{
  "hex": "#5b128a",
  "rgb": {
    "r": 91,
    "g": 18,
    "b": 138
  },
  "hsl": {
    "h": 276.5,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37907,
    "c": 0.17887,
    "h": 306.6
  },
  "luminance": 0.04492
}

Semantic roles & 50–950 ramp

primary

#5B128A

secondary

#6DBF39

accent

#F3347F

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B128A

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

Preview Lab → · Contrast checker → · Palette generator →