#631375#631375

#631375 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.5% C 0.161 H 319.2°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#631375
RGB	rgb(99, 19, 117)
HSL	hsl(289, 72%, 27%)
HSV	hsv(289, 84%, 46%)
CMYK	cmyk(15.4%, 83.8%, 0%, 54.1%)
CIE-LAB	lab(24.96, 47.81, -37.54)
CIE-LCH	lch(24.96, 60.79, 321.86°)
OKLab	oklab(37.45% 0.1222 -0.1055)
OKLCH	oklch(37.45% 0.161 319.2)
XYZ	xyz(8.5889, 4.4032, 17.2237)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Darkish Purple

#751973

ΔE00 4.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631375 #257513

analogous

#321375 #631375 #751356

triadic

#631375 #756313 #137563

tetradic

#631375 #753213 #257513 #135675

square

#631375 #753213 #257513 #135675

split-complementary

#631375 #567513 #137532

monochromatic

#16041A #360A40 #631375 #901CAA #BB27DC

Accessibility & contrast

On white

11.17

#631375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#631375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631375

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631375	#FFFFFF	#000000	##FFFFFF
##631375	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003678

Deuteranopia (green-blind)

#1B3E73

Tritanopia (blue-blind)

#632945

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631375;
/* rgb */ color: rgb(99, 19, 117);
/* oklch */ color: oklch(37.5% 0.161 319.2);

Tailwind

colors: {
  custom: {
    50: '#935c9d',
    500: '#631375',
    950: '#000000',
  },
}

SCSS

$custom: #631375;
$custom-light: #935c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#631375",
  "rgb": {
    "r": 99,
    "g": 19,
    "b": 117
  },
  "hsl": {
    "h": 288.98,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37451,
    "c": 0.16147,
    "h": 319.2
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#631375

secondary

#4EAB38

accent

#EF395A

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631375

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

Preview Lab → · Contrast checker → · Palette generator →