#631A78#631A78

#631A78 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.3% C 0.157 H 317.4°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#631A78
RGB	rgb(99, 26, 120)
HSL	hsl(287, 64%, 29%)
HSV	hsv(287, 78%, 47%)
CMYK	cmyk(17.5%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(26.00, 46.04, -37.78)
CIE-LCH	lch(26.00, 59.55, 320.63°)
OKLab	oklab(38.26% 0.1156 -0.1063)
OKLCH	oklch(38.26% 0.157 317.4)
XYZ	xyz(8.9047, 4.7479, 18.2130)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A78 #2F781A

analogous

#341A78 #631A78 #781A5E

triadic

#631A78 #78631A #1A7863

tetradic

#631A78 #78341A #2F781A #1A5E78

square

#631A78 #78341A #2F781A #1A5E78

split-complementary

#631A78 #5E781A #1A7834

monochromatic

#150519 #3A0F46 #631A78 #8C25AA #B138D4

Accessibility & contrast

On white

10.77

#631A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#631A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A78

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A78	#FFFFFF	#000000	##FFFFFF
##631A78	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#1C4076

Tritanopia (blue-blind)

#622E48

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #631a78;
/* rgb */ color: rgb(99, 26, 120);
/* oklch */ color: oklch(38.3% 0.157 317.4);

Tailwind

colors: {
  custom: {
    50: '#935f9f',
    500: '#631a78',
    950: '#000000',
  },
}

SCSS

$custom: #631a78;
$custom-light: #935f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#631a78",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 286.596,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38255,
    "c": 0.15702,
    "h": 317.4
  },
  "luminance": 0.04748
}

Semantic roles & 50–950 ramp

primary

#631A78

secondary

#59AC41

accent

#E74066

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #631A78

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

Preview Lab → · Contrast checker → · Palette generator →