#631778#631778

#631778 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 38.0% C 0.160 H 317.6°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#631778
RGB	rgb(99, 23, 120)
HSL	hsl(287, 68%, 28%)
HSV	hsv(287, 81%, 47%)
CMYK	cmyk(17.5%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(25.63, 47.12, -38.38)
CIE-LCH	lch(25.63, 60.77, 320.83°)
OKLab	oklab(37.99% 0.1184 -0.108)
OKLCH	oklch(37.99% 0.16 317.6)
XYZ	xyz(8.8417, 4.6219, 18.1920)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631778 #2C7817

analogous

#321778 #631778 #78175C

triadic

#631778 #786317 #177863

tetradic

#631778 #783217 #2C7817 #175C78

square

#631778 #783217 #2C7817 #175C78

split-complementary

#631778 #5C7817 #177832

monochromatic

#15051A #390D45 #631778 #8D21AB #B432D8

Accessibility & contrast

On white

10.91

#631778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#631778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631778

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631778	#FFFFFF	#000000	##FFFFFF
##631778	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#1A3F76

Tritanopia (blue-blind)

#622D47

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631778;
/* rgb */ color: rgb(99, 23, 120);
/* oklch */ color: oklch(38.0% 0.160 317.6);

Tailwind

colors: {
  custom: {
    50: '#935ea0',
    500: '#631778',
    950: '#000000',
  },
}

SCSS

$custom: #631778;
$custom-light: #935ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#631778",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 287.01,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3799,
    "c": 0.16025,
    "h": 317.6
  },
  "luminance": 0.04622
}

Semantic roles & 50–950 ramp

primary

#631778

secondary

#56AD3E

accent

#EB3D63

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #631778

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

Preview Lab → · Contrast checker → · Palette generator →