#66339D#66339D

#66339D is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.3% C 0.165 H 302.1°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#66339D
RGB	rgb(102, 51, 157)
HSL	hsl(269, 51%, 41%)
HSV	hsv(269, 68%, 62%)
CMYK	cmyk(35%, 67.5%, 0%, 38.4%)
CIE-LAB	lab(33.19, 43.90, -49.11)
CIE-LCH	lch(33.19, 65.87, 311.79°)
OKLab	oklab(44.33% 0.0878 -0.1396)
OKLCH	oklch(44.33% 0.165 302.1)
XYZ	xyz(12.7477, 7.6267, 32.6923)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66339D #6A9D33

analogous

#33359D #66339D #9B339D

triadic

#66339D #9D6633 #339D66

tetradic

#66339D #9D3335 #6A9D33 #339D9B

square

#66339D #9D3335 #6A9D33 #339D9B

split-complementary

#66339D #9D9B33 #359D33

monochromatic

#2A1541 #48246F #66339D #8449C4 #A377D3

Accessibility & contrast

On white

8.32

#66339D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#66339D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66339D

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66339D	#FFFFFF	#000000	##FFFFFF
##66339D	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#014E9B

Tritanopia (blue-blind)

#5B4B63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #66339d;
/* rgb */ color: rgb(102, 51, 157);
/* oklch */ color: oklch(44.3% 0.165 302.1);

Tailwind

colors: {
  custom: {
    50: '#966ebb',
    500: '#66339d',
    950: '#000000',
  },
}

SCSS

$custom: #66339d;
$custom-light: #966ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#66339d",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 157
  },
  "hsl": {
    "h": 268.868,
    "s": 50.962,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44328,
    "c": 0.16491,
    "h": 302.1
  },
  "luminance": 0.07627
}

Semantic roles & 50–950 ramp

primary

#66339D

secondary

#97BB70

accent

#DA4D97

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #66339D

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

Preview Lab → · Contrast checker → · Palette generator →