#631C92#631C92

#631C92 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.180 H 307.1°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#631C92
RGB	rgb(99, 28, 146)
HSL	hsl(276, 68%, 34%)
HSV	hsv(276, 81%, 57%)
CMYK	cmyk(32.2%, 80.8%, 0%, 42.7%)
CIE-LAB	lab(28.27, 50.97, -50.39)
CIE-LCH	lch(28.27, 71.67, 315.32°)
OKLab	oklab(40.48% 0.1085 -0.1434)
OKLCH	oklch(40.48% 0.18 307.1)
XYZ	xyz(10.7480, 5.5586, 27.6953)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C92 #4B921C

analogous

#281C92 #631C92 #921C86

triadic

#631C92 #92631C #1C9263

tetradic

#631C92 #92281C #4B921C #1C8692

square

#631C92 #92281C #4B921C #1C8692

split-complementary

#631C92 #86921C #1C9228

monochromatic

#1D082B #40125F #631C92 #8626C5 #A34CDD

Accessibility & contrast

On white

9.95

#631C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#631C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C92

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C92	#FFFFFF	#000000	##FFFFFF
##631C92	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004095

Deuteranopia (green-blind)

#004390

Tritanopia (blue-blind)

#5B3B57

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631c92;
/* rgb */ color: rgb(99, 28, 146);
/* oklch */ color: oklch(40.5% 0.180 307.1);

Tailwind

colors: {
  custom: {
    50: '#9462b3',
    500: '#631c92',
    950: '#000000',
  },
}

SCSS

$custom: #631c92;
$custom-light: #9462b3;
$custom-dark: #000000;

JSON

{
  "hex": "#631c92",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 146
  },
  "hsl": {
    "h": 276.102,
    "s": 67.816,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40481,
    "c": 0.1798,
    "h": 307.1
  },
  "luminance": 0.05558
}

Semantic roles & 50–950 ramp

primary

#631C92

secondary

#79BF4B

accent

#EB3D82

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631C92

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

Preview Lab → · Contrast checker → · Palette generator →