#633780#633780

#633780 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.5% C 0.124 H 310.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#633780
RGB	rgb(99, 55, 128)
HSL	hsl(276, 40%, 36%)
HSV	hsv(276, 57%, 50%)
CMYK	cmyk(22.7%, 57%, 0%, 49.8%)
CIE-LAB	lab(31.68, 33.69, -33.73)
CIE-LCH	lch(31.68, 47.68, 314.97°)
OKLab	oklab(42.52% 0.0794 -0.0946)
OKLCH	oklch(42.52% 0.124 310)
XYZ	xyz(10.4073, 6.9437, 21.2099)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633780 #548037

analogous

#3E3780 #633780 #803778

triadic

#633780 #806337 #378063

tetradic

#633780 #803E37 #548037 #377880

square

#633780 #803E37 #548037 #377880

split-complementary

#633780 #788037 #37803E

monochromatic

#21122A #422555 #633780 #8449AB #A170C2

Accessibility & contrast

On white

8.79

#633780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#633780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633780

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633780	#FFFFFF	#000000	##FFFFFF
##633780	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214982

Deuteranopia (green-blind)

#304B7E

Tritanopia (blue-blind)

#5F4456

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #633780;
/* rgb */ color: rgb(99, 55, 128);
/* oklch */ color: oklch(42.5% 0.124 310.0);

Tailwind

colors: {
  custom: {
    50: '#9270a5',
    500: '#633780',
    950: '#000000',
  },
}

SCSS

$custom: #633780;
$custom-light: #9270a5;
$custom-dark: #000000;

JSON

{
  "hex": "#633780",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 276.164,
    "s": 39.891,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42523,
    "c": 0.12352,
    "h": 310
  },
  "luminance": 0.06944
}

Semantic roles & 50–950 ramp

primary

#633780

secondary

#83AA69

accent

#D05888

background

#F9F6FA

surface

#F1ECF4

border

#CBC7CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #633780

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

Preview Lab → · Contrast checker → · Palette generator →