#631F92#631F92

#631F92 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.8% C 0.177 H 306.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#631F92
RGB	rgb(99, 31, 146)
HSL	hsl(275, 65%, 35%)
HSV	hsv(275, 79%, 57%)
CMYK	cmyk(32.2%, 78.8%, 0%, 42.7%)
CIE-LAB	lab(28.66, 49.83, -49.75)
CIE-LCH	lch(28.66, 70.42, 315.05°)
OKLab	oklab(40.76% 0.1059 -0.1415)
OKLCH	oklch(40.76% 0.177 306.8)
XYZ	xyz(10.8228, 5.7081, 27.7202)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F92 #4E921F

analogous

#291F92 #631F92 #921F88

triadic

#631F92 #92631F #1F9263

tetradic

#631F92 #92291F #4E921F #1F8892

square

#631F92 #92291F #4E921F #1F8892

split-complementary

#631F92 #88921F #1F9229

monochromatic

#1F0A2D #411460 #631F92 #852AC4 #A251DA

Accessibility & contrast

On white

9.81

#631F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#631F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F92

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F92	#FFFFFF	#000000	##FFFFFF
##631F92	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004195

Deuteranopia (green-blind)

#004490

Tritanopia (blue-blind)

#5B3C58

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #631f92;
/* rgb */ color: rgb(99, 31, 146);
/* oklch */ color: oklch(40.8% 0.177 306.8);

Tailwind

colors: {
  custom: {
    50: '#9463b3',
    500: '#631f92',
    950: '#000000',
  },
}

SCSS

$custom: #631f92;
$custom-light: #9463b3;
$custom-dark: #000000;

JSON

{
  "hex": "#631f92",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 146
  },
  "hsl": {
    "h": 275.478,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40757,
    "c": 0.17676,
    "h": 306.8
  },
  "luminance": 0.05708
}

Semantic roles & 50–950 ramp

primary

#631F92

secondary

#7CBD50

accent

#E84085

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #631F92

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

Preview Lab → · Contrast checker → · Palette generator →