#631784#631784

#631784 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.9% C 0.171 H 312.6°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#631784
RGB	rgb(99, 23, 132)
HSL	hsl(282, 70%, 30%)
HSV	hsv(282, 83%, 52%)
CMYK	cmyk(25%, 82.6%, 0%, 48.2%)
CIE-LAB	lab(26.54, 49.62, -44.50)
CIE-LCH	lch(26.54, 66.65, 318.12°)
OKLab	oklab(38.92% 0.116 -0.126)
OKLCH	oklch(38.92% 0.171 312.6)
XYZ	xyz(9.6161, 4.9317, 22.2707)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.43

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631784 #388417

analogous

#2C1784 #631784 #84176E

triadic

#631784 #846317 #178463

tetradic

#631784 #842C17 #388417 #176E84

square

#631784 #842C17 #388417 #176E84

split-complementary

#631784 #6E8417 #17842C

monochromatic

#15051C #3C0E50 #631784 #8A20B8 #AB39DC

Accessibility & contrast

On white

10.57

#631784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#631784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631784

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631784	#FFFFFF	#000000	##FFFFFF
##631784	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#024082

Tritanopia (blue-blind)

#5F324E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631784;
/* rgb */ color: rgb(99, 23, 132);
/* oklch */ color: oklch(38.9% 0.171 312.6);

Tailwind

colors: {
  custom: {
    50: '#945fa8',
    500: '#631784',
    950: '#000000',
  },
}

SCSS

$custom: #631784;
$custom-light: #945fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#631784",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 132
  },
  "hsl": {
    "h": 281.835,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38917,
    "c": 0.17128,
    "h": 312.6
  },
  "luminance": 0.04931
}

Semantic roles & 50–950 ramp

primary

#631784

secondary

#63B83F

accent

#ED3B71

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631784

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

Preview Lab → · Contrast checker → · Palette generator →