#5B309B#5B309B

#5B309B is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.5% C 0.165 H 297.3°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#5B309B
RGB	rgb(91, 48, 155)
HSL	hsl(264, 53%, 40%)
HSV	hsv(264, 69%, 61%)
CMYK	cmyk(41.3%, 69%, 0%, 39.2%)
CIE-LAB	lab(31.12, 42.64, -51.31)
CIE-LCH	lch(31.12, 66.71, 309.72°)
OKLab	oklab(42.5% 0.0756 -0.1465)
OKLCH	oklch(42.5% 0.165 297.3)
XYZ	xyz(11.2862, 6.7044, 31.7034)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B309B #709B30

analogous

#303B9B #5B309B #90309B

triadic

#5B309B #9B5B30 #309B5B

tetradic

#5B309B #9B303B #709B30 #309B90

square

#5B309B #9B303B #709B30 #309B90

split-complementary

#5B309B #9B9030 #3B9B30

monochromatic

#24133E #40226C #5B309B #7743C5 #9972D3

Accessibility & contrast

On white

8.97

#5B309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#5B309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B309B

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B309B	#FFFFFF	#000000	##FFFFFF
##5B309B	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#004899

Tritanopia (blue-blind)

#4B4A61

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #5b309b;
/* rgb */ color: rgb(91, 48, 155);
/* oklch */ color: oklch(42.5% 0.165 297.3);

Tailwind

colors: {
  custom: {
    50: '#8f6bb9',
    500: '#5b309b',
    950: '#000000',
  },
}

SCSS

$custom: #5b309b;
$custom-light: #8f6bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b309b",
  "rgb": {
    "r": 91,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 264.112,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42495,
    "c": 0.16482,
    "h": 297.3
  },
  "luminance": 0.06705
}

Semantic roles & 50–950 ramp

primary

#5B309B

secondary

#9BBB6C

accent

#DC4CA2

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0712

muted

#7E7A81

Preview Lab

Preview with #5B309B

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

Preview Lab → · Contrast checker → · Palette generator →