#B366F3#B366F3

#B366F3 is a light, highly saturated violet. Relative luminance 0.256; OKLCH L 65.8% C 0.208 H 306.8°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B366F3
RGB	rgb(179, 102, 243)
HSL	hsl(273, 85%, 68%)
HSV	hsv(273, 58%, 95%)
CMYK	cmyk(26.3%, 58%, 0%, 4.7%)
CIE-LAB	lab(57.62, 55.87, -59.11)
CIE-LCH	lch(57.62, 81.34, 313.39°)
OKLab	oklab(65.84% 0.1245 -0.1667)
OKLCH	oklch(65.84% 0.208 306.8)
XYZ	xyz(39.5161, 25.5579, 87.6281)
Luminance	0.2556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B366F3 #A6F366

analogous

#6C66F3 #B366F3 #F366ED

triadic

#B366F3 #F3B366 #66F3B3

tetradic

#B366F3 #F36C66 #A6F366 #66EDF3

square

#B366F3 #F36C66 #A6F366 #66EDF3

split-complementary

#B366F3 #EDF366 #66F36C

monochromatic

#7810CE #972DEF #B366F3 #CF9FF7 #EBD7FC

Accessibility & contrast

On white

3.44

#B366F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#B366F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B366F3

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B366F3	#FFFFFF	#000000	##000000
##B366F3	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C88F8

Deuteranopia (green-blind)

#4E8BF0

Tritanopia (blue-blind)

#A981A3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #b366f3;
/* rgb */ color: rgb(179, 102, 243);
/* oklch */ color: oklch(65.8% 0.208 306.8);

Tailwind

colors: {
  custom: {
    50: '#cd95f8',
    500: '#b366f3',
    950: '#000000',
  },
}

SCSS

$custom: #b366f3;
$custom-light: #cd95f8;
$custom-dark: #000000;

JSON

{
  "hex": "#b366f3",
  "rgb": {
    "r": 179,
    "g": 102,
    "b": 243
  },
  "hsl": {
    "h": 272.766,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.65844,
    "c": 0.20808,
    "h": 306.8
  },
  "luminance": 0.25558
}

Semantic roles & 50–950 ramp

primary

#B366F3

secondary

#D8F0C5

accent

#E20468

background

#FDF9FF

surface

#FAF2FF

border

#D3CCD7

text

#140D17

muted

#837E85

Preview Lab

Preview with #B366F3

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

Preview Lab → · Contrast checker → · Palette generator →