#631678#631678

#631678 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.9% C 0.161 H 317.7°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#631678
RGB	rgb(99, 22, 120)
HSL	hsl(287, 69%, 28%)
HSV	hsv(287, 82%, 47%)
CMYK	cmyk(17.5%, 81.7%, 0%, 52.9%)
CIE-LAB	lab(25.51, 47.46, -38.57)
CIE-LCH	lch(25.51, 61.15, 320.90°)
OKLab	oklab(37.91% 0.1192 -0.1086)
OKLCH	oklch(37.91% 0.161 317.7)
XYZ	xyz(8.8222, 4.5829, 18.1855)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631678 #2B7816

analogous

#321678 #631678 #78165C

triadic

#631678 #786316 #167863

tetradic

#631678 #783216 #2B7816 #165C78

square

#631678 #783216 #2B7816 #165C78

split-complementary

#631678 #5C7816 #167832

monochromatic

#15051A #380D44 #631678 #8E1FAC #B52FD9

Accessibility & contrast

On white

10.96

#631678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#631678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631678

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631678	#FFFFFF	#000000	##FFFFFF
##631678	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#193F76

Tritanopia (blue-blind)

#622C47

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631678;
/* rgb */ color: rgb(99, 22, 120);
/* oklch */ color: oklch(37.9% 0.161 317.7);

Tailwind

colors: {
  custom: {
    50: '#935ea0',
    500: '#631678',
    950: '#000000',
  },
}

SCSS

$custom: #631678;
$custom-light: #935ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#631678",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 120
  },
  "hsl": {
    "h": 287.143,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37908,
    "c": 0.16126,
    "h": 317.7
  },
  "luminance": 0.04583
}

Semantic roles & 50–950 ramp

primary

#631678

secondary

#55AD3C

accent

#EC3C62

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #631678

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

Preview Lab → · Contrast checker → · Palette generator →