#6337A3#6337A3

#6337A3 is a dark, vivid violet. Relative luminance 0.080; OKLCH L 45.0% C 0.166 H 298.1°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#6337A3
RGB	rgb(99, 55, 163)
HSL	hsl(264, 50%, 43%)
HSV	hsv(264, 66%, 64%)
CMYK	cmyk(39.3%, 66.3%, 0%, 36.1%)
CIE-LAB	lab(34.04, 42.71, -51.37)
CIE-LCH	lch(34.04, 66.81, 309.74°)
OKLab	oklab(45% 0.0783 -0.1464)
OKLCH	oklch(45% 0.166 298.1)
XYZ	xyz(13.1210, 8.0292, 35.5017)
Luminance	0.0803 (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

#6337A3 #77A337

analogous

#3741A3 #6337A3 #9937A3

triadic

#6337A3 #A36337 #37A363

tetradic

#6337A3 #A33741 #77A337 #37A399

square

#6337A3 #A33741 #77A337 #37A399

split-complementary

#6337A3 #A39937 #41A337

monochromatic

#2B1847 #472875 #6337A3 #8152C5 #A280D4

Accessibility & contrast

On white

8.06

#6337A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#6337A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6337A3

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6337A3	#FFFFFF	#000000	##FFFFFF
##6337A3	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#004FA1

Tritanopia (blue-blind)

#545068

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #6337a3;
/* rgb */ color: rgb(99, 55, 163);
/* oklch */ color: oklch(45.0% 0.166 298.1);

Tailwind

colors: {
  custom: {
    50: '#9471bf',
    500: '#6337a3',
    950: '#000000',
  },
}

SCSS

$custom: #6337a3;
$custom-light: #9471bf;
$custom-dark: #000000;

JSON

{
  "hex": "#6337a3",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 163
  },
  "hsl": {
    "h": 264.444,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44999,
    "c": 0.166,
    "h": 298.1
  },
  "luminance": 0.08029
}

Semantic roles & 50–950 ramp

primary

#6337A3

secondary

#A1BE78

accent

#D94FA1

background

#F9F6FB

surface

#F2ECF7

border

#CCC7D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #6337A3

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

Preview Lab → · Contrast checker → · Palette generator →