#631997#631997

#631997 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.7% C 0.187 H 305.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#631997
RGB	rgb(99, 25, 151)
HSL	hsl(275, 72%, 35%)
HSV	hsv(275, 83%, 59%)
CMYK	cmyk(34.4%, 83.4%, 0%, 40.8%)
CIE-LAB	lab(28.33, 53.14, -53.37)
CIE-LCH	lch(28.33, 75.31, 314.88°)
OKLab	oklab(40.66% 0.1094 -0.1521)
OKLCH	oklch(40.66% 0.187 305.7)
XYZ	xyz(11.0779, 5.5824, 29.7661)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631997 #4D9719

analogous

#241997 #631997 #97198C

triadic

#631997 #976319 #199763

tetradic

#631997 #972419 #4D9719 #198C97

square

#631997 #972419 #4D9719 #198C97

split-complementary

#631997 #8C9719 #199724

monochromatic

#1E082E #411062 #631997 #8522CC #A249E1

Accessibility & contrast

On white

9.92

#631997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#631997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631997

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631997	#FFFFFF	#000000	##FFFFFF
##631997	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#593C5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631997;
/* rgb */ color: rgb(99, 25, 151);
/* oklch */ color: oklch(40.7% 0.187 305.7);

Tailwind

colors: {
  custom: {
    50: '#9561b7',
    500: '#631997',
    950: '#000000',
  },
}

SCSS

$custom: #631997;
$custom-light: #9561b7;
$custom-dark: #000000;

JSON

{
  "hex": "#631997",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 151
  },
  "hsl": {
    "h": 275.238,
    "s": 71.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40656,
    "c": 0.18735,
    "h": 305.7
  },
  "luminance": 0.05582
}

Semantic roles & 50–950 ramp

primary

#631997

secondary

#7BC349

accent

#EE3984

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631997

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

Preview Lab → · Contrast checker → · Palette generator →