#631797#631797

#631797 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.5% C 0.189 H 305.9°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#631797
RGB	rgb(99, 23, 151)
HSL	hsl(276, 74%, 34%)
HSV	hsv(276, 85%, 59%)
CMYK	cmyk(34.4%, 84.8%, 0%, 40.8%)
CIE-LAB	lab(28.11, 53.79, -53.72)
CIE-LCH	lch(28.11, 76.02, 315.03°)
OKLab	oklab(40.5% 0.1108 -0.1531)
OKLCH	oklch(40.5% 0.189 305.9)
XYZ	xyz(11.0366, 5.4999, 29.7523)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631797 #4B9717

analogous

#231797 #631797 #97178B

triadic

#631797 #976317 #179763

tetradic

#631797 #972317 #4B9717 #178B97

square

#631797 #972317 #4B9717 #178B97

split-complementary

#631797 #8B9717 #179723

monochromatic

#1D072D #400F62 #631797 #861FCC #A346E3

Accessibility & contrast

On white

10.00

#631797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#631797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631797

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631797	#FFFFFF	#000000	##FFFFFF
##631797	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#593B59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631797;
/* rgb */ color: rgb(99, 23, 151);
/* oklch */ color: oklch(40.5% 0.189 305.9);

Tailwind

colors: {
  custom: {
    50: '#9560b7',
    500: '#631797',
    950: '#000000',
  },
}

SCSS

$custom: #631797;
$custom-light: #9560b7;
$custom-dark: #000000;

JSON

{
  "hex": "#631797",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 151
  },
  "hsl": {
    "h": 275.625,
    "s": 73.563,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40504,
    "c": 0.18902,
    "h": 305.9
  },
  "luminance": 0.055
}

Semantic roles & 50–950 ramp

primary

#631797

secondary

#79C446

accent

#F03883

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631797

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

Preview Lab → · Contrast checker → · Palette generator →