#631684#631684

#631684 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.8% C 0.172 H 312.7°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#631684
RGB	rgb(99, 22, 132)
HSL	hsl(282, 71%, 30%)
HSV	hsv(282, 83%, 52%)
CMYK	cmyk(25%, 83.3%, 0%, 48.2%)
CIE-LAB	lab(26.43, 49.95, -44.68)
CIE-LCH	lch(26.43, 67.02, 318.19°)
OKLab	oklab(38.84% 0.1168 -0.1265)
OKLCH	oklch(38.84% 0.172 312.7)
XYZ	xyz(9.5966, 4.8927, 22.2642)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.35

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631684 #378416

analogous

#2C1684 #631684 #84166E

triadic

#631684 #846316 #168463

tetradic

#631684 #842C16 #378416 #166E84

square

#631684 #842C16 #378416 #166E84

split-complementary

#631684 #6E8416 #16842C

monochromatic

#14051B #3C0D50 #631684 #8A1FB8 #AC37DE

Accessibility & contrast

On white

10.61

#631684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#631684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631684

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631684	#FFFFFF	#000000	##FFFFFF
##631684	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#004082

Tritanopia (blue-blind)

#5F324E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #631684;
/* rgb */ color: rgb(99, 22, 132);
/* oklch */ color: oklch(38.8% 0.172 312.7);

Tailwind

colors: {
  custom: {
    50: '#945ea8',
    500: '#631684',
    950: '#000000',
  },
}

SCSS

$custom: #631684;
$custom-light: #945ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#631684",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 132
  },
  "hsl": {
    "h": 282,
    "s": 71.429,
    "l": 30.196
  },
  "oklch": {
    "l": 0.38838,
    "c": 0.17221,
    "h": 312.7
  },
  "luminance": 0.04892
}

Semantic roles & 50–950 ramp

primary

#631684

secondary

#62B83D

accent

#EE3A70

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631684

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

Preview Lab → · Contrast checker → · Palette generator →