#631F71#631F71

#631F71 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.3% C 0.144 H 320.3°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#631F71
RGB	rgb(99, 31, 113)
HSL	hsl(290, 57%, 28%)
HSV	hsv(290, 73%, 44%)
CMYK	cmyk(12.4%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(26.23, 42.58, -32.94)
CIE-LCH	lch(26.23, 53.83, 322.27°)
OKLab	oklab(38.26% 0.1109 -0.0922)
OKLCH	oklch(38.26% 0.144 320.3)
XYZ	xyz(8.6159, 4.8253, 16.0971)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F71 #2D711F

analogous

#3A1F71 #631F71 #711F56

triadic

#631F71 #71631F #1F7163

tetradic

#631F71 #713A1F #2D711F #1F5671

square

#631F71 #713A1F #2D711F #1F5671

split-complementary

#631F71 #56711F #1F713A

monochromatic

#150718 #391241 #631F71 #8D2CA1 #B340CB

Accessibility & contrast

On white

10.69

#631F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#631F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F71

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F71	#FFFFFF	#000000	##FFFFFF
##631F71	1.00	10.69	1.97	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#27406F

Tritanopia (blue-blind)

#632E45

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #631f71;
/* rgb */ color: rgb(99, 31, 113);
/* oklch */ color: oklch(38.3% 0.144 320.3);

Tailwind

colors: {
  custom: {
    50: '#92619a',
    500: '#631f71',
    950: '#000000',
  },
}

SCSS

$custom: #631f71;
$custom-light: #92619a;
$custom-dark: #000000;

JSON

{
  "hex": "#631f71",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 289.756,
    "s": 56.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38264,
    "c": 0.14423,
    "h": 320.3
  },
  "luminance": 0.04825
}

Semantic roles & 50–950 ramp

primary

#631F71

secondary

#57A547

accent

#E04862

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0D050E

muted

#7E7A7E

Preview Lab

Preview with #631F71

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

Preview Lab → · Contrast checker → · Palette generator →