#633BD1#633BD1

#633BD1 is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.4% C 0.215 H 288.0°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#633BD1
RGB	rgb(99, 59, 209)
HSL	hsl(256, 62%, 53%)
HSV	hsv(256, 72%, 82%)
CMYK	cmyk(52.6%, 71.8%, 0%, 18%)
CIE-LAB	lab(38.52, 53.26, -71.19)
CIE-LCH	lch(38.52, 88.91, 306.80°)
OKLab	oklab(49.35% 0.0666 -0.2046)
OKLCH	oklch(49.35% 0.215 288)
XYZ	xyz(18.2148, 10.3831, 61.3536)
Luminance	0.1038 (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

#633BD1 #A9D13B

analogous

#3B5ED1 #633BD1 #AE3BD1

triadic

#633BD1 #D1633B #3BD163

tetradic

#633BD1 #D13B5E #A9D13B #3BD1AE

square

#633BD1 #D13B5E #A9D13B #3BD1AE

split-complementary

#633BD1 #D1AE3B #5ED13B

monochromatic

#341C76 #4927A7 #633BD1 #8A6DDD #B29EE8

Accessibility & contrast

On white

6.83

#633BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#633BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633BD1

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633BD1	#FFFFFF	#000000	##FFFFFF
##633BD1	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED5

Deuteranopia (green-blind)

#0057CE

Tritanopia (blue-blind)

#386382

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #633bd1;
/* rgb */ color: rgb(99, 59, 209);
/* oklch */ color: oklch(49.4% 0.215 288.0);

Tailwind

colors: {
  custom: {
    50: '#9a75e0',
    500: '#633bd1',
    950: '#000000',
  },
}

SCSS

$custom: #633bd1;
$custom-light: #9a75e0;
$custom-dark: #000000;

JSON

{
  "hex": "#633bd1",
  "rgb": {
    "r": 99,
    "g": 59,
    "b": 209
  },
  "hsl": {
    "h": 256,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49354,
    "c": 0.21518,
    "h": 288
  },
  "luminance": 0.10384
}

Semantic roles & 50–950 ramp

primary

#633BD1

secondary

#C3D493

accent

#E543BA

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #633BD1

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

Preview Lab → · Contrast checker → · Palette generator →