#631D9C#631D9C

#631D9C is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.4% C 0.189 H 303.8°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#631D9C
RGB	rgb(99, 29, 156)
HSL	hsl(273, 69%, 36%)
HSV	hsv(273, 81%, 61%)
CMYK	cmyk(36.5%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(29.24, 52.90, -54.95)
CIE-LCH	lch(29.24, 76.28, 313.92°)
OKLab	oklab(41.42% 0.1049 -0.1567)
OKLCH	oklch(41.42% 0.189 303.8)
XYZ	xyz(11.5843, 5.9317, 31.9807)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D9C #569C1D

analogous

#241D9C #631D9C #9C1D96

triadic

#631D9C #9C631D #1D9C63

tetradic

#631D9C #9C241D #569C1D #1D969C

square

#631D9C #9C241D #569C1D #1D969C

split-complementary

#631D9C #969C1D #1D9C24

monochromatic

#220A35 #421368 #631D9C #8427D0 #A154DF

Accessibility & contrast

On white

9.60

#631D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#631D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D9C

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D9C	#FFFFFF	#000000	##FFFFFF
##631D9C	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#00459A

Tritanopia (blue-blind)

#57405D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #631d9c;
/* rgb */ color: rgb(99, 29, 156);
/* oklch */ color: oklch(41.4% 0.189 303.8);

Tailwind

colors: {
  custom: {
    50: '#9563ba',
    500: '#631d9c',
    950: '#000000',
  },
}

SCSS

$custom: #631d9c;
$custom-light: #9563ba;
$custom-dark: #000000;

JSON

{
  "hex": "#631d9c",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 273.071,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41419,
    "c": 0.18863,
    "h": 303.8
  },
  "luminance": 0.05932
}

Semantic roles & 50–950 ramp

primary

#631D9C

secondary

#85C252

accent

#EB3C8B

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631D9C

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

Preview Lab → · Contrast checker → · Palette generator →