#631776#631776

#631776 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.8% C 0.158 H 318.5°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#631776
RGB	rgb(99, 23, 118)
HSL	hsl(288, 67%, 28%)
HSV	hsv(288, 81%, 46%)
CMYK	cmyk(16.1%, 80.5%, 0%, 53.7%)
CIE-LAB	lab(25.48, 46.71, -37.34)
CIE-LCH	lch(25.48, 59.80, 321.36°)
OKLab	oklab(37.84% 0.1187 -0.105)
OKLCH	oklch(37.84% 0.158 318.5)
XYZ	xyz(8.7216, 4.5739, 17.5595)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631776 #2A7617

analogous

#331776 #631776 #761759

triadic

#631776 #766317 #177663

tetradic

#631776 #763317 #2A7617 #175976

square

#631776 #763317 #2A7617 #175976

split-complementary

#631776 #597617 #177633

monochromatic

#15051A #380D43 #631776 #8E21A9 #B631D7

Accessibility & contrast

On white

10.97

#631776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#631776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631776

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631776	#FFFFFF	#000000	##FFFFFF
##631776	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003879

Deuteranopia (green-blind)

#1C3F74

Tritanopia (blue-blind)

#632C46

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631776;
/* rgb */ color: rgb(99, 23, 118);
/* oklch */ color: oklch(37.8% 0.158 318.5);

Tailwind

colors: {
  custom: {
    50: '#935e9e',
    500: '#631776',
    950: '#000000',
  },
}

SCSS

$custom: #631776;
$custom-light: #935e9e;
$custom-dark: #000000;

JSON

{
  "hex": "#631776",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 118
  },
  "hsl": {
    "h": 288,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37842,
    "c": 0.15843,
    "h": 318.5
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#631776

secondary

#53AB3E

accent

#EA3E60

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631776

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

Preview Lab → · Contrast checker → · Palette generator →