#631978#631978

#631978 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.2% C 0.158 H 317.5°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#631978
RGB	rgb(99, 25, 120)
HSL	hsl(287, 66%, 28%)
HSV	hsv(287, 79%, 47%)
CMYK	cmyk(17.5%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(25.88, 46.41, -37.98)
CIE-LCH	lch(25.88, 59.97, 320.70°)
OKLab	oklab(38.16% 0.1165 -0.1069)
OKLCH	oklch(38.16% 0.158 317.5)
XYZ	xyz(8.8829, 4.7044, 18.2058)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631978 #2E7819

analogous

#331978 #631978 #78195D

triadic

#631978 #786319 #197863

tetradic

#631978 #783319 #2E7819 #195D78

square

#631978 #783319 #2E7819 #195D78

split-complementary

#631978 #5D7819 #197833

monochromatic

#150519 #390E45 #631978 #8D24AB #B236D5

Accessibility & contrast

On white

10.82

#631978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#631978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631978

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631978	#FFFFFF	#000000	##FFFFFF
##631978	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#1C3F76

Tritanopia (blue-blind)

#622E48

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631978;
/* rgb */ color: rgb(99, 25, 120);
/* oklch */ color: oklch(38.2% 0.158 317.5);

Tailwind

colors: {
  custom: {
    50: '#935f9f',
    500: '#631978',
    950: '#000000',
  },
}

SCSS

$custom: #631978;
$custom-light: #935f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#631978",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 286.737,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38164,
    "c": 0.15812,
    "h": 317.5
  },
  "luminance": 0.04704
}

Semantic roles & 50–950 ramp

primary

#631978

secondary

#58AD40

accent

#E83F65

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #631978

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

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