#5B31B2#5B31B2

#5B31B2 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.6% C 0.191 H 291.6°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#5B31B2
RGB	rgb(91, 49, 178)
HSL	hsl(260, 57%, 45%)
HSV	hsv(260, 72%, 70%)
CMYK	cmyk(48.9%, 72.5%, 0%, 30.2%)
CIE-LAB	lab(33.21, 48.42, -61.75)
CIE-LCH	lch(33.21, 78.47, 308.10°)
OKLab	oklab(44.57% 0.0703 -0.1771)
OKLCH	oklch(44.57% 0.191 291.6)
XYZ	xyz(13.4463, 7.6346, 42.8760)
Luminance	0.0764 (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

#5B31B2 #88B231

analogous

#3148B2 #5B31B2 #9C31B2

triadic

#5B31B2 #B25B31 #31B25B

tetradic

#5B31B2 #B23148 #88B231 #31B29C

square

#5B31B2 #B23148 #88B231 #31B29C

split-complementary

#5B31B2 #B29C31 #48B231

monochromatic

#2A1752 #422482 #5B31B2 #7A51CF #9F81DC

Accessibility & contrast

On white

8.31

#5B31B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#5B31B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B31B2

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B31B2	#FFFFFF	#000000	##FFFFFF
##5B31B2	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#004BB0

Tritanopia (blue-blind)

#3F536E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #5b31b2;
/* rgb */ color: rgb(91, 49, 178);
/* oklch */ color: oklch(44.6% 0.191 291.6);

Tailwind

colors: {
  custom: {
    50: '#926dca',
    500: '#5b31b2',
    950: '#000000',
  },
}

SCSS

$custom: #5b31b2;
$custom-light: #926dca;
$custom-dark: #000000;

JSON

{
  "hex": "#5b31b2",
  "rgb": {
    "r": 91,
    "g": 49,
    "b": 178
  },
  "hsl": {
    "h": 259.535,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44572,
    "c": 0.19057,
    "h": 291.6
  },
  "luminance": 0.07635
}

Semantic roles & 50–950 ramp

primary

#5B31B2

secondary

#ADC579

accent

#E048AE

background

#F9F6FC

surface

#F2ECF9

border

#CCC7D2

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #5B31B2

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

Preview Lab → · Contrast checker → · Palette generator →