#631C93#631C93

#631C93 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.181 H 306.8°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#631C93
RGB	rgb(99, 28, 147)
HSL	hsl(276, 68%, 34%)
HSV	hsv(276, 81%, 58%)
CMYK	cmyk(32.7%, 81%, 0%, 42.4%)
CIE-LAB	lab(28.35, 51.19, -50.87)
CIE-LCH	lch(28.35, 72.17, 315.18°)
OKLab	oklab(40.57% 0.1082 -0.1448)
OKLCH	oklch(40.57% 0.181 306.8)
XYZ	xyz(10.8262, 5.5899, 28.1067)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631C93 #4C931C

analogous

#271C93 #631C93 #931C88

triadic

#631C93 #93631C #1C9363

tetradic

#631C93 #93271C #4C931C #1C8893

square

#631C93 #93271C #4C931C #1C8893

split-complementary

#631C93 #88931C #1C9327

monochromatic

#1E082C #401260 #631C93 #8626C6 #A34CDD

Accessibility & contrast

On white

9.92

#631C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#631C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631C93

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631C93	#FFFFFF	#000000	##FFFFFF
##631C93	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)

#004196

Deuteranopia (green-blind)

#004391

Tritanopia (blue-blind)

#5B3B58

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631c93;
/* rgb */ color: rgb(99, 28, 147);
/* oklch */ color: oklch(40.6% 0.181 306.8);

Tailwind

colors: {
  custom: {
    50: '#9562b4',
    500: '#631c93',
    950: '#000000',
  },
}

SCSS

$custom: #631c93;
$custom-light: #9562b4;
$custom-dark: #000000;

JSON

{
  "hex": "#631c93",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 147
  },
  "hsl": {
    "h": 275.798,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40565,
    "c": 0.18077,
    "h": 306.8
  },
  "luminance": 0.0559
}

Semantic roles & 50–950 ramp

primary

#631C93

secondary

#7ABF4C

accent

#EB3D83

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631C93

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

Preview Lab → · Contrast checker → · Palette generator →