#631699#631699

#631699 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.6% C 0.192 H 305.3°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#631699
RGB	rgb(99, 22, 153)
HSL	hsl(275, 75%, 34%)
HSV	hsv(275, 86%, 60%)
CMYK	cmyk(35.3%, 85.6%, 0%, 40%)
CIE-LAB	lab(28.18, 54.54, -54.83)
CIE-LCH	lch(28.18, 77.34, 314.84°)
OKLab	oklab(40.61% 0.1109 -0.1564)
OKLCH	oklch(40.61% 0.192 305.3)
XYZ	xyz(11.1810, 5.5265, 30.6085)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631699 #4C9916

analogous

#211699 #631699 #99168E

triadic

#631699 #996316 #169963

tetradic

#631699 #992116 #4C9916 #168E99

square

#631699 #992116 #4C9916 #168E99

split-complementary

#631699 #8E9916 #169921

monochromatic

#1E072E #400E63 #631699 #861ECF #A345E4

Accessibility & contrast

On white

9.98

#631699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#631699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631699

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631699	#FFFFFF	#000000	##FFFFFF
##631699	1.00	9.98	2.11	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#593C5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631699;
/* rgb */ color: rgb(99, 22, 153);
/* oklch */ color: oklch(40.6% 0.192 305.3);

Tailwind

colors: {
  custom: {
    50: '#9560b8',
    500: '#631699',
    950: '#000000',
  },
}

SCSS

$custom: #631699;
$custom-light: #9560b8;
$custom-dark: #000000;

JSON

{
  "hex": "#631699",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 153
  },
  "hsl": {
    "h": 275.267,
    "s": 74.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40607,
    "c": 0.19167,
    "h": 305.3
  },
  "luminance": 0.05526
}

Semantic roles & 50–950 ramp

primary

#631699

secondary

#7AC546

accent

#F13683

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631699

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

Preview Lab → · Contrast checker → · Palette generator →