#5B31B0#5B31B0

#5B31B0 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.4% C 0.188 H 292.1°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#5B31B0
RGB	rgb(91, 49, 176)
HSL	hsl(260, 56%, 44%)
HSV	hsv(260, 72%, 69%)
CMYK	cmyk(48.3%, 72.2%, 0%, 31%)
CIE-LAB	lab(33.04, 47.87, -60.84)
CIE-LCH	lch(33.04, 77.41, 308.19°)
OKLab	oklab(44.4% 0.0707 -0.1745)
OKLCH	oklch(44.4% 0.188 292.1)
XYZ	xyz(13.2470, 7.5549, 41.8261)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B31B0 #86B031

analogous

#3146B0 #5B31B0 #9B31B0

triadic

#5B31B0 #B05B31 #31B05B

tetradic

#5B31B0 #B03146 #86B031 #31B09B

square

#5B31B0 #B03146 #86B031 #31B09B

split-complementary

#5B31B0 #B09B31 #46B031

monochromatic

#291650 #422480 #5B31B0 #7A50CE #9E80DC

Accessibility & contrast

On white

8.36

#5B31B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#5B31B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B31B0

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B31B0	#FFFFFF	#000000	##FFFFFF
##5B31B0	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B4

Deuteranopia (green-blind)

#004BAE

Tritanopia (blue-blind)

#40526D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #5b31b0;
/* rgb */ color: rgb(91, 49, 176);
/* oklch */ color: oklch(44.4% 0.188 292.1);

Tailwind

colors: {
  custom: {
    50: '#916dc9',
    500: '#5b31b0',
    950: '#000000',
  },
}

SCSS

$custom: #5b31b0;
$custom-light: #916dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b31b0",
  "rgb": {
    "r": 91,
    "g": 49,
    "b": 176
  },
  "hsl": {
    "h": 259.843,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44397,
    "c": 0.18825,
    "h": 292.1
  },
  "luminance": 0.07555
}

Semantic roles & 50–950 ramp

primary

#5B31B0

secondary

#ABC578

accent

#E048AE

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #5B31B0

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

Preview Lab → · Contrast checker → · Palette generator →