#631A99#631A99

#631A99 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.188 H 305.0°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#631A99
RGB	rgb(99, 26, 153)
HSL	hsl(274, 71%, 35%)
HSV	hsv(274, 83%, 60%)
CMYK	cmyk(35.3%, 83%, 0%, 40%)
CIE-LAB	lab(28.62, 53.26, -54.12)
CIE-LCH	lch(28.62, 75.94, 314.54°)
OKLab	oklab(40.91% 0.1081 -0.1543)
OKLCH	oklch(40.91% 0.188 305)
XYZ	xyz(11.2634, 5.6914, 30.6360)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A99 #50991A

analogous

#231A99 #631A99 #991A90

triadic

#631A99 #99631A #1A9963

tetradic

#631A99 #99231A #50991A #1A9099

square

#631A99 #99231A #50991A #1A9099

split-complementary

#631A99 #90991A #1A9923

monochromatic

#1F0830 #411165 #631A99 #8523CD #A24DE1

Accessibility & contrast

On white

9.82

#631A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#631A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A99

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A99	#FFFFFF	#000000	##FFFFFF
##631A99	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429C

Deuteranopia (green-blind)

#004497

Tritanopia (blue-blind)

#593D5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631a99;
/* rgb */ color: rgb(99, 26, 153);
/* oklch */ color: oklch(40.9% 0.188 305.0);

Tailwind

colors: {
  custom: {
    50: '#9561b8',
    500: '#631a99',
    950: '#000000',
  },
}

SCSS

$custom: #631a99;
$custom-light: #9561b8;
$custom-dark: #000000;

JSON

{
  "hex": "#631a99",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 153
  },
  "hsl": {
    "h": 274.488,
    "s": 70.95,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40908,
    "c": 0.1884,
    "h": 305
  },
  "luminance": 0.05691
}

Semantic roles & 50–950 ramp

primary

#631A99

secondary

#7FC34C

accent

#EE3A86

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631A99

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

Preview Lab → · Contrast checker → · Palette generator →