#5B1881#5B1881

#5B1881 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.165 H 309.4°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B1881
RGB	rgb(91, 24, 129)
HSL	hsl(278, 69%, 30%)
HSV	hsv(278, 81%, 51%)
CMYK	cmyk(29.5%, 81.4%, 0%, 49.4%)
CIE-LAB	lab(25.15, 47.14, -44.93)
CIE-LCH	lch(25.15, 65.12, 316.38°)
OKLab	oklab(37.61% 0.1046 -0.1276)
OKLCH	oklch(37.61% 0.165 309.4)
XYZ	xyz(8.6027, 4.4626, 21.1728)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.31

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1881 #3E8118

analogous

#271881 #5B1881 #811872

triadic

#5B1881 #815B18 #18815B

tetradic

#5B1881 #812718 #3E8118 #187281

square

#5B1881 #812718 #3E8118 #187281

split-complementary

#5B1881 #728118 #188127

monochromatic

#12051A #370E4D #5B1881 #7F22B5 #A039DA

Accessibility & contrast

On white

11.10

#5B1881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#5B1881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1881

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1881	#FFFFFF	#000000	##FFFFFF
##5B1881	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)

#003984

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#55334D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b1881;
/* rgb */ color: rgb(91, 24, 129);
/* oklch */ color: oklch(37.6% 0.165 309.4);

Tailwind

colors: {
  custom: {
    50: '#8e5ea6',
    500: '#5b1881',
    950: '#000000',
  },
}

SCSS

$custom: #5b1881;
$custom-light: #8e5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1881",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 129
  },
  "hsl": {
    "h": 278.286,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.37606,
    "c": 0.16499,
    "h": 309.4
  },
  "luminance": 0.04462
}

Semantic roles & 50–950 ramp

primary

#5B1881

secondary

#6AB540

accent

#EB3C7C

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B1881

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

Preview Lab → · Contrast checker → · Palette generator →