#633591#633591

#633591 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.4% C 0.147 H 303.9°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#633591
RGB	rgb(99, 53, 145)
HSL	hsl(270, 46%, 39%)
HSV	hsv(270, 63%, 57%)
CMYK	cmyk(31.7%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(32.35, 39.08, -43.16)
CIE-LCH	lch(32.35, 58.23, 312.16°)
OKLab	oklab(43.37% 0.0821 -0.1223)
OKLCH	oklch(43.37% 0.147 303.9)
XYZ	xyz(11.5284, 7.2432, 27.5733)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633591 #639135

analogous

#353591 #633591 #913591

triadic

#633591 #916335 #359163

tetradic

#633591 #913535 #639135 #359191

square

#633591 #913535 #639135 #359191

split-complementary

#633591 #919135 #359135

monochromatic

#261437 #442564 #633591 #8247BC #A074CC

Accessibility & contrast

On white

8.58

#633591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#633591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633591

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633591	#FFFFFF	#000000	##FFFFFF
##633591	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#1C4C8F

Tritanopia (blue-blind)

#5A485E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #633591;
/* rgb */ color: rgb(99, 53, 145);
/* oklch */ color: oklch(43.4% 0.147 303.9);

Tailwind

colors: {
  custom: {
    50: '#936fb2',
    500: '#633591',
    950: '#000000',
  },
}

SCSS

$custom: #633591;
$custom-light: #936fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#633591",
  "rgb": {
    "r": 99,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 270,
    "s": 46.465,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43368,
    "c": 0.14729,
    "h": 303.9
  },
  "luminance": 0.07243
}

Semantic roles & 50–950 ramp

primary

#633591

secondary

#91B56D

accent

#D65294

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0D0711

muted

#7E7A80

Preview Lab

Preview with #633591

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

Preview Lab → · Contrast checker → · Palette generator →