#631878#631878

#631878 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.159 H 317.5°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#631878
RGB	rgb(99, 24, 120)
HSL	hsl(287, 67%, 28%)
HSV	hsv(287, 80%, 47%)
CMYK	cmyk(17.5%, 80%, 0%, 52.9%)
CIE-LAB	lab(25.75, 46.77, -38.19)
CIE-LCH	lch(25.75, 60.38, 320.77°)
OKLab	oklab(38.08% 0.1175 -0.1075)
OKLCH	oklch(38.08% 0.159 317.5)
XYZ	xyz(8.8619, 4.6624, 18.1988)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631878 #2D7818

analogous

#331878 #631878 #78185D

triadic

#631878 #786318 #187863

tetradic

#631878 #783318 #2D7818 #185D78

square

#631878 #783318 #2D7818 #185D78

split-complementary

#631878 #5D7818 #187833

monochromatic

#15051A #390E45 #631878 #8D22AB #B334D6

Accessibility & contrast

On white

10.87

#631878 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#631878 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631878

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631878	#FFFFFF	#000000	##FFFFFF
##631878	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#1B3F76

Tritanopia (blue-blind)

#622D48

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631878;
/* rgb */ color: rgb(99, 24, 120);
/* oklch */ color: oklch(38.1% 0.159 317.5);

Tailwind

colors: {
  custom: {
    50: '#935f9f',
    500: '#631878',
    950: '#000000',
  },
}

SCSS

$custom: #631878;
$custom-light: #935f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#631878",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 120
  },
  "hsl": {
    "h": 286.875,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38076,
    "c": 0.15921,
    "h": 317.5
  },
  "luminance": 0.04662
}

Semantic roles & 50–950 ramp

primary

#631878

secondary

#57AD3F

accent

#EA3E64

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #631878

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

Preview Lab → · Contrast checker → · Palette generator →