#5B1981#5B1981

#5B1981 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.164 H 309.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#5B1981
RGB	rgb(91, 25, 129)
HSL	hsl(278, 68%, 30%)
HSV	hsv(278, 81%, 51%)
CMYK	cmyk(29.5%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(25.27, 46.77, -44.72)
CIE-LCH	lch(25.27, 64.71, 316.28°)
OKLab	oklab(37.7% 0.1038 -0.127)
OKLCH	oklch(37.7% 0.164 309.3)
XYZ	xyz(8.6237, 4.5046, 21.1798)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.42

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1981 #3F8119

analogous

#271981 #5B1981 #811973

triadic

#5B1981 #815B19 #19815B

tetradic

#5B1981 #812719 #3F8119 #197381

square

#5B1981 #812719 #3F8119 #197381

split-complementary

#5B1981 #738119 #198127

monochromatic

#13051A #370F4E #5B1981 #7F23B4 #9F3BD9

Accessibility & contrast

On white

11.05

#5B1981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#5B1981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1981

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1981	#FFFFFF	#000000	##FFFFFF
##5B1981	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003984

Deuteranopia (green-blind)

#003D7F

Tritanopia (blue-blind)

#55334D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b1981;
/* rgb */ color: rgb(91, 25, 129);
/* oklch */ color: oklch(37.7% 0.164 309.3);

Tailwind

colors: {
  custom: {
    50: '#8e5ea6',
    500: '#5b1981',
    950: '#000000',
  },
}

SCSS

$custom: #5b1981;
$custom-light: #8e5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1981",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 278.077,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37696,
    "c": 0.16397,
    "h": 309.3
  },
  "luminance": 0.04504
}

Semantic roles & 50–950 ramp

primary

#5B1981

secondary

#6BB541

accent

#EA3D7D

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B1981

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

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