#6337AA#6337AA

#6337AA is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.5% C 0.174 H 296.3°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#6337AA
RGB	rgb(99, 55, 170)
HSL	hsl(263, 51%, 44%)
HSV	hsv(263, 68%, 67%)
CMYK	cmyk(41.8%, 67.6%, 0%, 33.3%)
CIE-LAB	lab(34.57, 44.59, -54.71)
CIE-LCH	lch(34.57, 70.58, 309.18°)
OKLab	oklab(45.55% 0.0774 -0.1562)
OKLCH	oklch(45.55% 0.174 296.3)
XYZ	xyz(13.7656, 8.2870, 38.8967)
Luminance	0.0829 (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

#6337AA #7EAA37

analogous

#3744AA #6337AA #9D37AA

triadic

#6337AA #AA6337 #37AA63

tetradic

#6337AA #AA3744 #7EAA37 #37AA9D

square

#6337AA #AA3744 #7EAA37 #37AA9D

split-complementary

#6337AA #AA9D37 #44AA37

monochromatic

#2D194E #48287C #6337AA #8256C8 #A484D7

Accessibility & contrast

On white

7.90

#6337AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#6337AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6337AA

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6337AA	#FFFFFF	#000000	##FFFFFF
##6337AA	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AD

Deuteranopia (green-blind)

#0050A8

Tritanopia (blue-blind)

#51526C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #6337aa;
/* rgb */ color: rgb(99, 55, 170);
/* oklch */ color: oklch(45.5% 0.174 296.3);

Tailwind

colors: {
  custom: {
    50: '#9571c4',
    500: '#6337aa',
    950: '#000000',
  },
}

SCSS

$custom: #6337aa;
$custom-light: #9571c4;
$custom-dark: #000000;

JSON

{
  "hex": "#6337aa",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 170
  },
  "hsl": {
    "h": 262.957,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45547,
    "c": 0.17434,
    "h": 296.3
  },
  "luminance": 0.08287
}

Semantic roles & 50–950 ramp

primary

#6337AA

secondary

#A7C17C

accent

#DB4DA4

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #6337AA

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

Preview Lab → · Contrast checker → · Palette generator →